EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:sweetzpot_misc
LIBS:mcp6421_mcp6422_mcp6424
LIBS:mcp6041_mcp6042_mcp6043_mcp6044
LIBS:sweetzpot_power_symbols
LIBS:mcp4018
LIBS:sweetzpot_nrf52832
LIBS:max30003
LIBS:em7180sfp
LIBS:MMBD4148
LIBS:ASTMKH
LIBS:TCR2LF
LIBS:rateboard-2_b-cache
EELAYER 25 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title "SweetZpot Sensor"
Date "2017-08-04"
Rev "2_b"
Comp "SweetZpot AS"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCP6424 U1
U 1 1 582D7504
P 3150 7750
F 0 "U1" H 3150 8000 60  0000 C CNN
F 1 "MCP6424" H 3150 7450 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-14_5.3x6.2mm_Pitch0.65mm" H 2950 7750 60  0001 C CNN
F 3 "" H 2950 7750 60  0001 C CNN
F 4 "MCP6424-E/ST-ND" H 3150 7750 60  0001 C CNN "digikey"
F 5 "MCP6424-E/ST" H 3150 7750 60  0001 C CNN "part"
	1    3150 7750
	1    0    0    -1  
$EndComp
$Comp
L MCP6424 U1
U 3 1 582D7758
P 5950 7650
F 0 "U1" H 5950 7900 60  0000 C CNN
F 1 "MCP6424" H 5950 7350 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-14_5.3x6.2mm_Pitch0.65mm" H 5750 7650 60  0001 C CNN
F 3 "" H 5750 7650 60  0001 C CNN
	3    5950 7650
	1    0    0    -1  
$EndComp
$Comp
L MCP6424 U1
U 4 1 582D77CD
P 7050 7650
F 0 "U1" H 7050 7900 60  0000 C CNN
F 1 "MCP6424" H 7050 7350 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-14_5.3x6.2mm_Pitch0.65mm" H 6850 7650 60  0001 C CNN
F 3 "" H 6850 7650 60  0001 C CNN
	4    7050 7650
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 582D7852
P 1800 7250
F 0 "R3" V 1880 7250 50  0000 C CNN
F 1 "150k" V 1800 7250 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 1730 7250 50  0001 C CNN
F 3 "" H 1800 7250 50  0000 C CNN
F 4 "311-150KLRCT-ND" V 1800 7250 60  0001 C CNN "digikey"
F 5 "RC0402FR-07150KL" V 1800 7250 60  0001 C CNN "part"
F 6 "1%" V 1800 7250 60  0001 C CNN "tolerance"
	1    1800 7250
	1    0    0    1   
$EndComp
$Comp
L R R1
U 1 1 582D78B5
P 2350 7250
F 0 "R1" V 2430 7250 50  0000 C CNN
F 1 "1M" V 2350 7250 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 2280 7250 50  0001 C CNN
F 3 "" H 2350 7250 50  0000 C CNN
F 4 "311-1.00MLRCT-ND" V 2350 7250 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 2350 7250 60  0001 C CNN "part"
F 6 "1%" V 2350 7250 60  0001 C CNN "tolerance"
	1    2350 7250
	1    0    0    -1  
$EndComp
$Comp
L R R22
U 1 1 582D78E6
P 3200 8200
F 0 "R22" V 3280 8200 50  0000 C CNN
F 1 "270k" V 3200 8200 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 3130 8200 50  0001 C CNN
F 3 "" H 3200 8200 50  0000 C CNN
F 4 "311-270KLRCT-ND" V 3200 8200 60  0001 C CNN "digikey"
F 5 "RC0402FR-07270KL" V 3200 8200 60  0001 C CNN "part"
F 6 "1%" V 3200 8200 60  0001 C CNN "tolerance"
	1    3200 8200
	0    1    1    0   
$EndComp
$Comp
L R R2
U 1 1 582D7922
P 2350 8150
F 0 "R2" V 2430 8150 50  0000 C CNN
F 1 "6.8k" V 2350 8150 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 2280 8150 50  0001 C CNN
F 3 "" H 2350 8150 50  0000 C CNN
F 4 "311-6.80KLRCT-ND" V 2350 8150 60  0001 C CNN "digikey"
F 5 "RC0402FR-076K8L" V 2350 8150 60  0001 C CNN "part"
F 6 "1%" V 2350 8150 60  0001 C CNN "tolerance"
	1    2350 8150
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 582D7A92
P 3750 6550
F 0 "R4" V 3830 6550 50  0000 C CNN
F 1 "1M" V 3750 6550 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 3680 6550 50  0001 C CNN
F 3 "" H 3750 6550 50  0000 C CNN
F 4 "311-1.00MLRCT-ND" V 3750 6550 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 3750 6550 60  0001 C CNN "part"
F 6 "1%" V 3750 6550 60  0001 C CNN "tolerance"
	1    3750 6550
	1    0    0    -1  
$EndComp
$Comp
L MCP6424 U1
U 5 1 582D7B59
P 2550 10350
F 0 "U1" H 2550 10600 60  0000 C CNN
F 1 "MCP6424" H 2550 10050 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-14_5.3x6.2mm_Pitch0.65mm" H 2350 10350 60  0001 C CNN
F 3 "" H 2350 10350 60  0001 C CNN
F 4 "MCP6424-E/ST-ND" H 2550 10350 60  0001 C CNN "digikey"
F 5 "MCP6424-E/ST" H 2550 10350 60  0001 C CNN "part"
	5    2550 10350
	1    0    0    -1  
$EndComp
Text Label 2050 6300 0    60   ~ 0
STRAIN_POWER
$Comp
L GND #PWR01
U 1 1 582D853C
P 1800 10700
F 0 "#PWR01" H 1800 10450 50  0001 C CNN
F 1 "GND" H 1800 10550 50  0000 C CNN
F 2 "" H 1800 10700 50  0000 C CNN
F 3 "" H 1800 10700 50  0000 C CNN
	1    1800 10700
	1    0    0    -1  
$EndComp
Text Label 1250 7850 0    60   ~ 0
STRAIN_+
Text Label 1250 7950 0    60   ~ 0
STRAIN_-
$Comp
L GND #PWR02
U 1 1 582D9C36
P 1800 8150
F 0 "#PWR02" H 1800 7900 50  0001 C CNN
F 1 "GND" H 1800 8000 50  0000 C CNN
F 2 "" H 1800 8150 50  0000 C CNN
F 3 "" H 1800 8150 50  0000 C CNN
	1    1800 8150
	1    0    0    -1  
$EndComp
$Comp
L VDD_STRAIN #PWR03
U 1 1 582D9EB5
P 2850 6200
F 0 "#PWR03" H 2850 6150 60  0001 C CNN
F 1 "VDD_STRAIN" H 2850 6350 60  0000 C CNN
F 2 "" H 2850 6200 60  0001 C CNN
F 3 "" H 2850 6200 60  0001 C CNN
	1    2850 6200
	1    0    0    -1  
$EndComp
$Comp
L VDD_STRAIN #PWR04
U 1 1 582D9EED
P 1800 9950
F 0 "#PWR04" H 1800 9900 60  0001 C CNN
F 1 "VDD_STRAIN" H 1800 10100 60  0000 C CNN
F 2 "" H 1800 9950 60  0001 C CNN
F 3 "" H 1800 9950 60  0001 C CNN
	1    1800 9950
	1    0    0    -1  
$EndComp
$Comp
L C C39
U 1 1 582DA089
P 1800 10350
F 0 "C39" H 1825 10450 50  0000 L CNN
F 1 "0.1u" H 1825 10250 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 1838 10200 50  0001 C CNN
F 3 "" H 1800 10350 50  0000 C CNN
F 4 "490-1767-1-ND" H 1800 10350 60  0001 C CNN "digikey"
F 5 "GRM31C5C1E104JA01L" H 1800 10350 60  0001 C CNN "part"
F 6 "5%" H 1750 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 1750 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 1750 3050 60  0001 C CNN "temp_coeff"
	1    1800 10350
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 582DA8D9
P 2600 8150
F 0 "C5" H 2625 8250 50  0000 L CNN
F 1 "1u" H 2625 8050 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 2638 8000 50  0001 C CNN
F 3 "" H 2600 8150 50  0000 C CNN
F 4 "311-1924-1-ND" H 2600 8150 60  0001 C CNN "digikey"
F 5 "CC1206JKX7R7BB105" H 2600 8150 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "16V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "X7R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    2600 8150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 582DA9A3
P 2600 8400
F 0 "#PWR05" H 2600 8150 50  0001 C CNN
F 1 "GND" H 2600 8250 50  0000 C CNN
F 2 "" H 2600 8400 50  0000 C CNN
F 3 "" H 2600 8400 50  0000 C CNN
	1    2600 8400
	1    0    0    -1  
$EndComp
$Comp
L C C29
U 1 1 582DBF2D
P 3200 8450
F 0 "C29" H 3225 8550 50  0000 L CNN
F 1 "100n" H 3225 8350 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 3238 8300 50  0001 C CNN
F 3 "" H 3200 8450 50  0000 C CNN
F 4 "490-1767-1-ND" H 3200 8450 60  0001 C CNN "digikey"
F 5 "GRM31C5C1E104JA01L" H 3200 8450 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    3200 8450
	0    1    1    0   
$EndComp
$Comp
L C C4
U 1 1 582DCBD5
P 3500 7050
F 0 "C4" H 3525 7150 50  0000 L CNN
F 1 "10u" H 3525 6950 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 3538 6900 50  0001 C CNN
F 3 "" H 3500 7050 50  0000 C CNN
F 4 "1276-1804-1-ND" H 3500 7050 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 3500 7050 60  0001 C CNN "part"
F 6 "10%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "16V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "X7R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    3500 7050
	1    0    0    -1  
$EndComp
$Comp
L R R26
U 1 1 582DCE85
P 3750 7050
F 0 "R26" V 3830 7050 50  0000 C CNN
F 1 "1M" V 3750 7050 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 3680 7050 50  0001 C CNN
F 3 "" H 3750 7050 50  0000 C CNN
F 4 "311-1.00MLRCT-ND" V 3750 7050 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 3750 7050 60  0001 C CNN "part"
F 6 "1%" V 3750 7050 60  0001 C CNN "tolerance"
	1    3750 7050
	1    0    0    -1  
$EndComp
$Comp
L R R23
U 1 1 582DF042
P 4900 7750
F 0 "R23" V 4980 7750 50  0000 C CNN
F 1 "270k" V 4900 7750 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 4830 7750 50  0001 C CNN
F 3 "" H 4900 7750 50  0000 C CNN
F 4 "311-270KLRCT-ND" V 4900 7750 60  0001 C CNN "digikey"
F 5 "RC0402FR-07270KL" V 4900 7750 60  0001 C CNN "part"
F 6 "1%" V 4900 7750 60  0001 C CNN "tolerance"
	1    4900 7750
	0    1    1    0   
$EndComp
$Comp
L C C2
U 1 1 582DF0B2
P 5300 7750
F 0 "C2" H 5325 7850 50  0000 L CNN
F 1 "100n" H 5325 7650 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 5338 7600 50  0001 C CNN
F 3 "" H 5300 7750 50  0000 C CNN
F 4 "490-1767-1-ND" H 5300 7750 60  0001 C CNN "digikey"
F 5 "GRM31C5C1E104JA01L" H 5300 7750 60  0001 C CNN "part"
F 6 "5%" H 5300 7750 60  0001 C CNN "tolerance"
F 7 "6.3" H 5300 7750 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 5300 7750 60  0001 C CNN "temp_coeff"
	1    5300 7750
	0    1    1    0   
$EndComp
$Comp
L R R19
U 1 1 582E0726
P 6000 8150
F 0 "R19" V 6080 8150 50  0000 C CNN
F 1 "1M" V 6000 8150 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 5930 8150 50  0001 C CNN
F 3 "" H 6000 8150 50  0000 C CNN
F 4 "311-1.00MLRCT-ND" V 6000 8150 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 6000 8150 60  0001 C CNN "part"
F 6 "1%" V 6000 8150 60  0001 C CNN "tolerance"
	1    6000 8150
	0    1    1    0   
$EndComp
Text Label 6450 6400 3    60   ~ 0
STRAIN_DERIVED
Text Label 7500 6400 3    60   ~ 0
DERIVED_TRIGGER
$Comp
L GND #PWR06
U 1 1 582E2D8A
P 3500 7400
F 0 "#PWR06" H 3500 7150 50  0001 C CNN
F 1 "GND" H 3500 7250 50  0000 C CNN
F 2 "" H 3500 7400 50  0000 C CNN
F 3 "" H 3500 7400 50  0000 C CNN
	1    3500 7400
	1    0    0    -1  
$EndComp
Text Label 4650 6400 3    60   ~ 0
STRAIN
$Comp
L C C11
U 1 1 582D95E7
P 5250 9250
F 0 "C11" H 5275 9350 50  0000 L CNN
F 1 "100n" H 5275 9150 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 5288 9100 50  0001 C CNN
F 3 "" H 5250 9250 50  0000 C CNN
F 4 "490-1767-1-ND" H 5250 9250 60  0001 C CNN "digikey"
F 5 "GRM31C5C1E104JA01L" H 5250 9250 60  0001 C CNN "part"
F 6 "5%" H 1750 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 1750 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 1750 3050 60  0001 C CNN "temp_coeff"
	1    5250 9250
	-1   0    0    1   
$EndComp
$Comp
L VDD_STRAIN #PWR07
U 1 1 582DD45D
P 4500 8650
F 0 "#PWR07" H 4500 8600 60  0001 C CNN
F 1 "VDD_STRAIN" H 4500 8800 60  0000 C CNN
F 2 "" H 4500 8650 60  0001 C CNN
F 3 "" H 4500 8650 60  0001 C CNN
	1    4500 8650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR08
U 1 1 582DD58B
P 2350 9450
F 0 "#PWR08" H 2350 9200 50  0001 C CNN
F 1 "GND" H 2350 9300 50  0000 C CNN
F 2 "" H 2350 9450 50  0000 C CNN
F 3 "" H 2350 9450 50  0000 C CNN
	1    2350 9450
	1    0    0    -1  
$EndComp
NoConn ~ 2500 8900
Entry Wire Line
	4800 9250 4900 9350
Entry Wire Line
	4800 9350 4900 9450
Text Label 3900 9250 0    60   ~ 0
STRAIN_SCL
Text Label 3900 9350 0    60   ~ 0
STRAIN_SDA
Text Label 3500 6800 0    60   ~ 0
VDD_STRAIN_HALF
$Comp
L C C103
U 1 1 582E80DB
P 2000 2600
F 0 "C103" H 2025 2700 50  0000 L CNN
F 1 "68n" H 2025 2500 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 2038 2450 50  0001 C CNN
F 3 "" H 2000 2600 50  0000 C CNN
F 4 "X5R" H 2000 2600 60  0001 C CNN "temp_coeff"
F 5 "490-5876-2-ND" H 2000 2600 60  0001 C CNN "digikey"
F 6 "GRM1555C1H680JA01D" H 2000 2600 60  0001 C CNN "part"
	1    2000 2600
	1    0    0    -1  
$EndComp
$Comp
L C C7
U 1 1 582EA6F7
P 2850 3600
F 0 "C7" H 2875 3700 50  0000 L CNN
F 1 "10u" H 2875 3500 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 2888 3450 50  0001 C CNN
F 3 "" H 2850 3600 50  0000 C CNN
F 4 "1276-1804-1-ND" H 2850 3600 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 2850 3600 60  0001 C CNN "part"
F 6 "10%" H 2000 2600 60  0001 C CNN "tolerance"
F 7 "16V" H 2000 2600 60  0001 C CNN "voltage"
F 8 "X7R" H 2000 2600 60  0001 C CNN "temp_coeff"
	1    2850 3600
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 582EA78C
P 3050 3600
F 0 "C8" H 3075 3700 50  0000 L CNN
F 1 "10u" H 3075 3500 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 3088 3450 50  0001 C CNN
F 3 "" H 3050 3600 50  0000 C CNN
F 4 "1276-1804-1-ND" H 3050 3600 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 3050 3600 60  0001 C CNN "part"
F 6 "10%" H 2000 2600 60  0001 C CNN "tolerance"
F 7 "16V" H 2000 2600 60  0001 C CNN "voltage"
F 8 "X7R" H 2000 2600 60  0001 C CNN "temp_coeff"
	1    3050 3600
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 582EAF06
P 2650 3600
F 0 "C6" H 2675 3700 50  0000 L CNN
F 1 "1n" H 2675 3500 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 2688 3450 50  0001 C CNN
F 3 "" H 2650 3600 50  0000 C CNN
F 4 "490-6169-1-ND" H 2650 3600 60  0001 C CNN "digikey"
F 5 "GRM1555C1E102JA01D" H 2650 3600 60  0001 C CNN "part"
F 6 "5%" H 2000 2600 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2000 2600 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 2000 2600 60  0001 C CNN "temp_coeff"
	1    2650 3600
	1    0    0    -1  
$EndComp
Text Label 1800 3800 0    60   ~ 0
HR_CLK
Text Label 5000 2100 0    60   ~ 0
HR_CS
Text Label 5000 2200 0    60   ~ 0
HR_SCLK
Text Label 10800 1550 1    60   ~ 0
HR_MOSI
Text Label 5000 2400 0    60   ~ 0
HR_MISO
Text Label 5000 2600 0    60   ~ 0
HR_INT1
Text Label 5000 2700 0    60   ~ 0
HR_INT2
$Comp
L GND #PWR09
U 1 1 582E8ACD
P 12450 4000
F 0 "#PWR09" H 12450 3750 50  0001 C CNN
F 1 "GND" H 12450 3850 50  0000 C CNN
F 2 "" H 12450 4000 50  0000 C CNN
F 3 "" H 12450 4000 50  0000 C CNN
	1    12450 4000
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR010
U 1 1 582E8F0A
P 13950 2050
F 0 "#PWR010" H 13950 1900 50  0001 C CNN
F 1 "VCC" H 13950 2200 50  0000 C CNN
F 2 "" H 13950 2050 50  0000 C CNN
F 3 "" H 13950 2050 50  0000 C CNN
	1    13950 2050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 58356475
P 4750 3450
F 0 "#PWR011" H 4750 3200 50  0001 C CNN
F 1 "GND" H 4750 3300 50  0000 C CNN
F 2 "" H 4750 3450 50  0000 C CNN
F 3 "" H 4750 3450 50  0000 C CNN
	1    4750 3450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR012
U 1 1 58357FCA
P 5250 9500
F 0 "#PWR012" H 5250 9250 50  0001 C CNN
F 1 "GND" H 5250 9350 50  0000 C CNN
F 2 "" H 5250 9500 50  0000 C CNN
F 3 "" H 5250 9500 50  0000 C CNN
	1    5250 9500
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 58358D6C
P 5700 4650
F 0 "C10" H 5725 4750 50  0000 L CNN
F 1 "0.1u" H 5725 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 5738 4500 50  0001 C CNN
F 3 "" H 5700 4650 50  0000 C CNN
F 4 "490-1767-1-ND" H 5700 4650 60  0001 C CNN "digikey"
F 5 "GRM31C5C1E104JA01L" H 5700 4650 60  0001 C CNN "part"
F 6 "5%" H 6850 6350 60  0001 C CNN "tolerance"
F 7 "6.3V" H 6850 6350 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 6850 6350 60  0001 C CNN "temp_coeff"
	1    5700 4650
	1    0    0    -1  
$EndComp
$Comp
L C C14
U 1 1 58359AE7
P 3900 4650
F 0 "C14" H 3925 4750 50  0000 L CNN
F 1 "10u" H 3925 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 3938 4500 50  0001 C CNN
F 3 "" H 3900 4650 50  0000 C CNN
F 4 "1276-1804-1-ND" H 3900 4650 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 3900 4650 60  0001 C CNN "part"
F 6 "10%" H 4350 6350 60  0001 C CNN "tolerance"
F 7 "16V" H 4350 6350 60  0001 C CNN "voltage"
F 8 "X7R" H 4350 6350 60  0001 C CNN "temp_coeff"
	1    3900 4650
	1    0    0    -1  
$EndComp
$Comp
L VDD_HR #PWR013
U 1 1 5835C555
P 3650 1550
F 0 "#PWR013" H 3650 1500 60  0001 C CNN
F 1 "VDD_HR" H 3650 1700 60  0000 C CNN
F 2 "" H 3650 1550 60  0001 C CNN
F 3 "" H 3650 1550 60  0001 C CNN
	1    3650 1550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR014
U 1 1 5835C9D5
P 2650 3850
F 0 "#PWR014" H 2650 3600 50  0001 C CNN
F 1 "GND" H 2650 3700 50  0000 C CNN
F 2 "" H 2650 3850 50  0000 C CNN
F 3 "" H 2650 3850 50  0000 C CNN
	1    2650 3850
	1    0    0    -1  
$EndComp
$Comp
L C C20
U 1 1 5835E6E9
P 13350 3500
F 0 "C20" H 13375 3600 50  0000 L CNN
F 1 "100n" H 13375 3400 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 13388 3350 50  0001 C CNN
F 3 "" H 13350 3500 50  0000 C CNN
F 4 "1276-1001-1-ND" H 13350 3500 60  0001 C CNN "digikey"
F 5 "CL05B104KO5NNNC" H 13350 3500 60  0001 C CNN "part"
F 6 "10%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "XR7" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    13350 3500
	1    0    0    -1  
$EndComp
$Comp
L C C18
U 1 1 5835E8DB
P 12850 3500
F 0 "C18" H 12875 3600 50  0000 L CNN
F 1 "100p" H 12875 3400 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12888 3350 50  0001 C CNN
F 3 "" H 12850 3500 50  0000 C CNN
F 4 "1276-1025-1-ND" H 12850 3500 60  0001 C CNN "digikey"
F 5 "CL05C101JB5NNNC" H 12850 3500 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    12850 3500
	1    0    0    -1  
$EndComp
$Comp
L C C19
U 1 1 5835E9E0
P 13100 3500
F 0 "C19" H 13125 3600 50  0000 L CNN
F 1 "NA" H 13125 3400 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 13138 3350 50  0001 C CNN
F 3 "" H 13100 3500 50  0000 C CNN
F 4 "DNI" H 13200 3300 60  0000 C CNN "assembly"
	1    13100 3500
	1    0    0    -1  
$EndComp
$Comp
L C C15
U 1 1 5835F888
P 12600 3500
F 0 "C15" H 12625 3600 50  0000 L CNN
F 1 "1u" H 12625 3400 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12638 3350 50  0001 C CNN
F 3 "" H 12600 3500 50  0000 C CNN
F 4 "GRM155R61C105KA12D" H 12600 3500 60  0001 C CNN "part"
F 5 "490-10694-2-ND" H 12600 3500 60  0001 C CNN "digikey"
F 6 "10%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "16V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "X5R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    12600 3500
	1    0    0    -1  
$EndComp
Text Label 12350 3250 0    60   ~ 0
Dec4
Text Label 12350 3150 0    60   ~ 0
Dec3
Text Label 12350 3050 0    60   ~ 0
Dec2
Text Label 12350 2950 0    60   ~ 0
Dec1
$Comp
L GND #PWR015
U 1 1 583605FE
P 12900 1600
F 0 "#PWR015" H 12900 1350 50  0001 C CNN
F 1 "GND" H 12900 1450 50  0000 C CNN
F 2 "" H 12900 1600 50  0000 C CNN
F 3 "" H 12900 1600 50  0000 C CNN
	1    12900 1600
	1    0    0    -1  
$EndComp
$Comp
L C C16
U 1 1 58360687
P 13100 1250
F 0 "C16" H 13125 1350 50  0000 L CNN
F 1 "12p" H 13125 1150 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 13138 1100 50  0001 C CNN
F 3 "" H 13100 1250 50  0000 C CNN
F 4 "490-6197-1-ND" H 13100 1250 60  0001 C CNN "digikey"
F 5 "GRM1555C1H120GA01D" H 13100 1250 60  0001 C CNN "part"
F 6 "2%" H 2500 3250 60  0001 C CNN "tolerance"
F 7 "C0G / NP0" H 2500 3250 60  0001 C CNN "temp_coeff"
	1    13100 1250
	1    0    0    -1  
$EndComp
$Comp
L C C17
U 1 1 583607F9
P 12700 1250
F 0 "C17" H 12725 1350 50  0000 L CNN
F 1 "12p" H 12725 1150 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12738 1100 50  0001 C CNN
F 3 "" H 12700 1250 50  0000 C CNN
F 4 "490-6197-1-ND" H 12700 1250 60  0001 C CNN "digikey"
F 5 "GRM1555C1H120GA01D" H 12700 1250 60  0001 C CNN "part"
F 6 "2%" H 2100 2850 60  0001 C CNN "tolerance"
F 7 "C0G / NP0" H 2100 2850 60  0001 C CNN "temp_coeff"
	1    12700 1250
	-1   0    0    -1  
$EndComp
$Comp
L L_Small L1
U 1 1 58361EFC
P 13650 2850
F 0 "L1" H 13680 2890 50  0000 L CNN
F 1 "10u" H 13680 2810 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 13650 2850 50  0001 C CNN
F 3 "" H 13650 2850 50  0000 C CNN
F 4 "587-2045-1-ND" H 13650 2850 60  0001 C CNN "digikey"
F 5 "LBR2012T100K" H 13650 2850 60  0001 C CNN "part"
F 6 "20%" H 13650 2850 60  0001 C CNN "tolerance"
	1    13650 2850
	1    0    0    -1  
$EndComp
$Comp
L L_Small L2
U 1 1 58362144
P 13650 3100
F 0 "L2" H 13680 3140 50  0000 L CNN
F 1 "15n" H 13680 3060 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 13650 3100 50  0001 C CNN
F 3 "" H 13650 3100 50  0000 C CNN
F 4 "553-2320-1-ND" H 13650 3100 60  0001 C CNN "digikey"
F 5 "PE-0402CC150JTT" H 13650 3100 60  0001 C CNN "part"
F 6 "10%" H 13650 3100 60  0001 C CNN "tolerance"
	1    13650 3100
	1    0    0    -1  
$EndComp
$Comp
L C C21
U 1 1 58362A6F
P 13950 2850
F 0 "C21" H 13975 2950 50  0000 L CNN
F 1 "100n" H 13975 2750 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 13988 2700 50  0001 C CNN
F 3 "" H 13950 2850 50  0000 C CNN
F 4 "1276-1001-1-ND" H 13950 2850 60  0001 C CNN "digikey"
F 5 "CL05B104KO5NNNC" H 13950 2850 60  0001 C CNN "part"
F 6 "10%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "XR7" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    13950 2850
	1    0    0    -1  
$EndComp
$Comp
L C C23
U 1 1 58363148
P 14450 2850
F 0 "C23" H 14475 2950 50  0000 L CNN
F 1 "4.7u" H 14475 2750 50  0000 L CNN
F 2 "Capacitors_SMD:C_1210" H 14488 2700 50  0001 C CNN
F 3 "" H 14450 2850 50  0000 C CNN
F 4 "399-5777-2-ND" H 14450 2850 60  0001 C CNN "digikey"
F 5 "C1210C475J3NACTU" H 14450 2850 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "16V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "X5R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    14450 2850
	1    0    0    -1  
$EndComp
$Comp
L C C22
U 1 1 58364114
P 14200 2850
F 0 "C22" H 14225 2950 50  0000 L CNN
F 1 "100n" H 14225 2750 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 14238 2700 50  0001 C CNN
F 3 "" H 14200 2850 50  0000 C CNN
F 4 "1276-1001-1-ND" H 14200 2850 60  0001 C CNN "digikey"
F 5 "CL05B104KO5NNNC" H 14200 2850 60  0001 C CNN "part"
F 6 "10%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "X7R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    14200 2850
	1    0    0    -1  
$EndComp
Entry Wire Line
	12800 1950 12900 2050
Entry Wire Line
	12800 2050 12900 2150
Entry Wire Line
	12800 2150 12900 2250
Text Label 12350 1950 0    60   ~ 0
SWDCLK
Text Label 12350 2050 0    60   ~ 0
SWDIO
Text Label 12350 2150 0    60   ~ 0
SWO
$Comp
L Crystal_Small Y2
U 1 1 58367469
P 9050 1400
F 0 "Y2" H 9050 1500 50  0000 C CNN
F 1 "32.768kHz" H 9050 1300 50  0000 C CNN
F 2 "SweetZpot:FC-135" H 9050 1400 50  0001 C CNN
F 3 "" H 9050 1400 50  0000 C CNN
F 4 "EPSON TOYOCOM - FC-135 32.768KHZ ±20PPM,9.0PF - CRYSTAL, SM, WATCH" H 9050 1400 60  0001 C CNN "Quality"
F 5 "FC-135 32.768KHZ ±20PPM,9.0PF" H 9050 1400 60  0001 C CNN "nrf52dk"
F 6 "FC-135R 32.7680KA-AC3" H 9050 1400 60  0001 C CNN "part"
F 7 "SER4072CT-ND" H 9050 1400 60  0001 C CNN "digikey"
	1    9050 1400
	-1   0    0    1   
$EndComp
$Comp
L C C24
U 1 1 58367561
P 8850 1650
F 0 "C24" H 8875 1750 50  0000 L CNN
F 1 "12p" H 8875 1550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 8888 1500 50  0001 C CNN
F 3 "" H 8850 1650 50  0000 C CNN
F 4 "490-6197-1-ND" H 8850 1650 60  0001 C CNN "digikey"
F 5 "GRM1555C1H120GA01D" H 8850 1650 60  0001 C CNN "part"
F 6 "2%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    8850 1650
	-1   0    0    -1  
$EndComp
$Comp
L C C25
U 1 1 58367816
P 9250 1650
F 0 "C25" H 9275 1750 50  0000 L CNN
F 1 "12p" H 9275 1550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 9288 1500 50  0001 C CNN
F 3 "" H 9250 1650 50  0000 C CNN
F 4 "490-6197-1-ND" H 9250 1650 60  0001 C CNN "digikey"
F 5 "GRM1555C1H120GA01D" H 9250 1650 60  0001 C CNN "part"
F 6 "2%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    9250 1650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR016
U 1 1 58367EEF
P 9050 2000
F 0 "#PWR016" H 9050 1750 50  0001 C CNN
F 1 "GND" H 9050 1850 50  0000 C CNN
F 2 "" H 9050 2000 50  0000 C CNN
F 3 "" H 9050 2000 50  0000 C CNN
	1    9050 2000
	1    0    0    -1  
$EndComp
Text Notes 6000 5400 2    100  ~ 20
Heart rate
Text Notes 5800 5700 0    100  ~ 20
Breating
Text Notes 6200 5400 0    100  ~ 20
Bluetooth
Text Label 12050 4400 0    60   ~ 0
ANT
Entry Wire Line
	5500 2100 5600 2200
Entry Wire Line
	5500 2200 5600 2300
Entry Wire Line
	5500 2300 5600 2400
Entry Wire Line
	5500 2400 5600 2500
Entry Wire Line
	5500 2600 5600 2700
Entry Wire Line
	5500 2700 5600 2800
Entry Wire Line
	10600 950  10500 1050
Entry Wire Line
	10700 950  10600 1050
Entry Wire Line
	10800 950  10700 1050
Entry Wire Line
	10900 950  10800 1050
Entry Wire Line
	11000 950  10900 1050
Text Label 11000 1550 1    60   ~ 0
HR_CS
Text Label 10900 1550 1    60   ~ 0
HR_SCLK
Text Label 5000 2300 0    60   ~ 0
HR_MOSI
Text Label 10700 1550 1    60   ~ 0
HR_MISO
Text Label 10600 1550 1    60   ~ 0
HR_INT1
Text Label 10500 1550 1    60   ~ 0
HR_INT2
Entry Wire Line
	11100 950  11000 1050
Text Label 10500 950  0    60   ~ 0
HR_BUS
Text Label 5600 1650 0    60   ~ 0
HR_BUS
Entry Wire Line
	7500 6400 7600 6300
Entry Wire Line
	6450 6400 6550 6300
Entry Wire Line
	4650 6400 4750 6300
Entry Wire Line
	8150 2800 8050 2900
Entry Wire Line
	8150 2900 8050 3000
Entry Wire Line
	8150 3000 8050 3100
Text Label 9650 2900 2    60   ~ 0
STRAIN_DERIVED
Text Label 9650 3000 2    60   ~ 0
DERIVED_TRIGGER
Text Label 9650 2800 2    60   ~ 0
STRAIN
Text Label 9650 3200 2    60   ~ 0
STRAIN_SCL
Text Label 9650 3100 2    60   ~ 0
STRAIN_SDA
NoConn ~ 11150 4250
NoConn ~ 10950 4250
NoConn ~ 10850 4250
NoConn ~ 10750 4250
NoConn ~ 9650 3400
NoConn ~ 9650 3500
NoConn ~ 10400 1550
$Comp
L C C26
U 1 1 58371120
P 12450 4650
F 0 "C26" H 12475 4750 50  0000 L CNN
F 1 "0.8p" H 12475 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12488 4500 50  0001 C CNN
F 3 "" H 12450 4650 50  0000 C CNN
F 4 "490-6270-1-ND" H 12450 4650 60  0001 C CNN "digikey"
F 5 "GRM1555C1HR80WA01D" H 12450 4650 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    12450 4650
	1    0    0    -1  
$EndComp
$Comp
L L_Small L3
U 1 1 583711FD
P 12650 4400
F 0 "L3" H 12680 4440 50  0000 L CNN
F 1 "3.9nH" H 12680 4360 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12650 4400 50  0001 C CNN
F 3 "" H 12650 4400 50  0000 C CNN
F 4 "587-1509-1-ND" H 12650 4400 60  0001 C CNN "digikey"
F 5 "HK10053N9S-T" H 12650 4400 60  0001 C CNN "part"
	1    12650 4400
	0    -1   -1   0   
$EndComp
$Comp
L C C27
U 1 1 583712FB
P 12850 4650
F 0 "C27" H 12875 4750 50  0000 L CNN
F 1 "1.2p" H 12875 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 12888 4500 50  0001 C CNN
F 3 "" H 12850 4650 50  0000 C CNN
F 4 "490-6210-6-ND" H 12850 4650 60  0001 C CNN "digikey"
F 5 "GRM1555C1H1R2WA01D" H 12850 4650 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "6.3V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "C0G / NP0" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    12850 4650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR017
U 1 1 583717DF
P 12450 4900
F 0 "#PWR017" H 12450 4650 50  0001 C CNN
F 1 "GND" H 12450 4750 50  0000 C CNN
F 2 "" H 12450 4900 50  0000 C CNN
F 3 "" H 12450 4900 50  0000 C CNN
	1    12450 4900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR018
U 1 1 583721AB
P 12850 4900
F 0 "#PWR018" H 12850 4650 50  0001 C CNN
F 1 "GND" H 12850 4750 50  0000 C CNN
F 2 "" H 12850 4900 50  0000 C CNN
F 3 "" H 12850 4900 50  0000 C CNN
	1    12850 4900
	1    0    0    -1  
$EndComp
Text Label 14250 4400 2    60   ~ 0
ANT_OUT
$Comp
L ANTENNA U5
U 1 1 58372F5D
P 14450 4400
F 0 "U5" H 13950 4650 60  0001 C CNN
F 1 "ANTENNA" H 13950 4900 60  0001 C CNN
F 2 "SweetZpot:ANTENNA_RIGHT_UPWARDS_W=1.5mm" H 14450 4400 60  0001 C CNN
F 3 "" H 14450 4400 60  0001 C CNN
F 4 "DNI" H 14450 4400 60  0001 C CNN "assembly"
	1    14450 4400
	0    1    -1   0   
$EndComp
Text Label 12350 2750 0    60   ~ 0
Dcc
Entry Wire Line
	8050 3200 8150 3100
Entry Wire Line
	8050 3300 8150 3200
Text Label 4300 6300 0    60   ~ 0
STRAIN_BUS
Text Label 8050 2800 3    60   ~ 0
STRAIN_BUS
Text Label 4900 9600 2    60   ~ 0
STRAIN_BUS
$Comp
L NRF52832 U3
U 1 1 582E32E2
P 11000 2900
F 0 "U3" H 11000 2900 60  0000 C CNN
F 1 "NRF52832-QFAA" H 11000 3300 60  0000 C CNN
F 2 "SweetZpot:QFN-48-1EP-6mm-Hatched_3x3" V 11200 1750 60  0001 C CNN
F 3 "" V 11200 1750 60  0001 C CNN
F 4 "1490-1052-1-ND" H 11000 2900 60  0001 C CNN "digikey"
F 5 "NRF52832-QFAA-R" H 11000 2900 60  0001 C CNN "part"
	1    11000 2900
	1    0    0    -1  
$EndComp
$Comp
L VDD_STRAIN #PWR019
U 1 1 58384D11
P 7000 9500
F 0 "#PWR019" H 7000 9450 60  0001 C CNN
F 1 "VDD_STRAIN" H 7000 9650 60  0000 C CNN
F 2 "" H 7000 9500 60  0001 C CNN
F 3 "" H 7000 9500 60  0001 C CNN
	1    7000 9500
	1    0    0    -1  
$EndComp
$Comp
L VDD_HR #PWR020
U 1 1 583850C3
P 5400 4200
F 0 "#PWR020" H 5400 4150 60  0001 C CNN
F 1 "VDD_HR" H 5400 4350 60  0000 C CNN
F 2 "" H 5400 4200 60  0001 C CNN
F 3 "" H 5400 4200 60  0001 C CNN
	1    5400 4200
	-1   0    0    -1  
$EndComp
NoConn ~ 11100 1550
NoConn ~ 11200 1550
NoConn ~ 11300 1550
$Comp
L R R25
U 1 1 584723FE
P 4400 6950
F 0 "R25" V 4480 6950 50  0000 C CNN
F 1 "27k" V 4400 6950 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 4330 6950 50  0001 C CNN
F 3 "" H 4400 6950 50  0000 C CNN
F 4 "311-27.0KLRCT-ND" V 4400 6950 60  0001 C CNN "digikey"
F 5 "RC0402FR-0727KL" V 4400 6950 60  0001 C CNN "part"
F 6 "1%" V 4400 6950 60  0001 C CNN "tolerance"
	1    4400 6950
	0    1    1    0   
$EndComp
$Comp
L C C33
U 1 1 584724FA
P 4650 7200
F 0 "C33" H 4675 7300 50  0000 L CNN
F 1 "1u" H 4675 7100 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 4688 7050 50  0001 C CNN
F 3 "" H 4650 7200 50  0000 C CNN
F 4 "311-1924-1-ND" H 4650 7200 60  0001 C CNN "digikey"
F 5 "CC1206JKX7R7BB105" H 4650 7200 60  0001 C CNN "part"
F 6 "5%" H 2050 3050 60  0001 C CNN "tolerance"
F 7 "16V" H 2050 3050 60  0001 C CNN "voltage"
F 8 "X7R" H 2050 3050 60  0001 C CNN "temp_coeff"
	1    4650 7200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR021
U 1 1 58472C2D
P 4650 7450
F 0 "#PWR021" H 4650 7200 50  0001 C CNN
F 1 "GND" H 4650 7300 50  0000 C CNN
F 2 "" H 4650 7450 50  0000 C CNN
F 3 "" H 4650 7450 50  0000 C CNN
	1    4650 7450
	1    0    0    -1  
$EndComp
$Comp
L MCP6424 U1
U 2 1 58475360
P 8500 7650
F 0 "U1" H 8500 7900 60  0000 C CNN
F 1 "MCP6424" H 8500 7350 60  0000 C CNN
F 2 "Housings_SSOP:SSOP-14_5.3x6.2mm_Pitch0.65mm" H 8300 7650 60  0001 C CNN
F 3 "" H 8300 7650 60  0001 C CNN
	2    8500 7650
	1    0    0    -1  
$EndComp
Text Notes 8100 8300 0    60   ~ 0
Not used, configured for\nminimal current usage.
Entry Wire Line
	15100 6350 15200 6450
Entry Wire Line
	15100 6450 15200 6550
Entry Wire Line
	15100 6550 15200 6650
Text Label 14800 6450 2    60   ~ 0
SWDCLK
Text Label 14800 6550 2    60   ~ 0
SWO
Text Label 12900 1950 0    60   ~ 0
DEBUG_BUS
Text Label 15200 6350 0    60   ~ 0
DEBUG_BUS
$Comp
L GND #PWR022
U 1 1 58480E66
P 13450 6850
F 0 "#PWR022" H 13450 6600 50  0001 C CNN
F 1 "GND" H 13450 6700 50  0000 C CNN
F 2 "" H 13450 6850 50  0000 C CNN
F 3 "" H 13450 6850 50  0000 C CNN
	1    13450 6850
	1    0    0    -1  
$EndComp
Text Label 11250 4600 1    60   ~ 0
~RESET
Text Label 14800 6350 2    60   ~ 0
~RESET
$Comp
L VCC #PWR023
U 1 1 584831C7
P 13750 5850
F 0 "#PWR023" H 13750 5700 50  0001 C CNN
F 1 "VCC" H 13750 6000 50  0000 C CNN
F 2 "" H 13750 5850 50  0000 C CNN
F 3 "" H 13750 5850 50  0000 C CNN
	1    13750 5850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR024
U 1 1 58485165
P 10200 10100
F 0 "#PWR024" H 10200 9850 50  0001 C CNN
F 1 "GND" H 10200 9950 50  0000 C CNN
F 2 "" H 10200 10100 50  0000 C CNN
F 3 "" H 10200 10100 50  0000 C CNN
	1    10200 10100
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR025
U 1 1 58485AA6
P 11000 9500
F 0 "#PWR025" H 11000 9350 50  0001 C CNN
F 1 "VCC" H 11000 9650 50  0000 C CNN
F 2 "" H 11000 9500 50  0000 C CNN
F 3 "" H 11000 9500 50  0000 C CNN
	1    11000 9500
	1    0    0    -1  
$EndComp
Text Notes 12350 8800 0    100  ~ 20
Connections
Text Notes 12350 5700 0    100  ~ 20
Debugger
$Comp
L PWR_FLAG #FLG026
U 1 1 5848CDAB
P 6800 9750
F 0 "#FLG026" H 6800 9845 50  0001 C CNN
F 1 "PWR_FLAG" H 6800 9930 50  0000 C CNN
F 2 "" H 6800 9750 50  0000 C CNN
F 3 "" H 6800 9750 50  0000 C CNN
	1    6800 9750
	1    0    0    -1  
$EndComp
Text Label 600  1200 0    60   ~ 0
ECGP
Text Label 600  2200 0    60   ~ 0
ECGN
Text Label 13550 9000 2    60   ~ 0
ECGP
Text Label 13550 9400 2    60   ~ 0
ECGN
Text Label 14600 9000 2    60   ~ 0
STRAIN_+
Text Label 14600 9400 2    60   ~ 0
STRAIN_-
$Comp
L CONN_01X01 P10
U 1 1 58496224
P 13100 9000
F 0 "P10" H 13100 9100 50  0000 C CNN
F 1 "ECGP" V 13200 9000 50  0000 C CNN
F 2 "Measurement_Points:Measurement_Point_Square-TH_Small" H 13100 9000 50  0001 C CNN
F 3 "" H 13100 9000 50  0000 C CNN
F 4 "NA" H 13100 9000 60  0001 C CNN "part"
	1    13100 9000
	-1   0    0    -1  
$EndComp
$Comp
L CONN_01X01 P11
U 1 1 584962FC
P 13100 9400
F 0 "P11" H 13100 9500 50  0000 C CNN
F 1 "ECGN" V 13200 9400 50  0000 C CNN
F 2 "Measurement_Points:Measurement_Point_Square-TH_Small" H 13100 9400 50  0001 C CNN
F 3 "" H 13100 9400 50  0000 C CNN
F 4 "NA" H 13100 9400 60  0001 C CNN "part"
	1    13100 9400
	-1   0    0    -1  
$EndComp
$Comp
L CONN_01X01 P20
U 1 1 584969DA
P 14000 9000
F 0 "P20" H 14000 9100 50  0000 C CNN
F 1 "STRAIN_+" V 14100 9000 50  0000 C CNN
F 2 "Measurement_Points:Measurement_Point_Square-TH_Small" H 14000 9000 50  0001 C CNN
F 3 "" H 14000 9000 50  0000 C CNN
F 4 "NA" H 14000 9000 60  0001 C CNN "part"
	1    14000 9000
	-1   0    0    -1  
$EndComp
$Comp
L CONN_01X01 P21
U 1 1 584969E0
P 14000 9400
F 0 "P21" H 14000 9500 50  0000 C CNN
F 1 "STRAIN_-" V 14100 9400 50  0000 C CNN
F 2 "Measurement_Points:Measurement_Point_Square-TH_Small" H 14000 9400 50  0001 C CNN
F 3 "" H 14000 9400 50  0000 C CNN
F 4 "NA" H 14000 9400 60  0001 C CNN "part"
	1    14000 9400
	-1   0    0    -1  
$EndComp
Text Notes 12350 7600 0    100  ~ 20
Test points
$Comp
L CONN_02X03 P32
U 1 1 5849CD83
P 15250 8200
F 0 "P32" H 15250 8400 50  0000 C CNN
F 1 "TEST_SWD" H 15250 8000 50  0000 C CNN
F 2 "SweetZpot:TESTPOINT_2x6_1.27_mm" H 15250 8200 50  0001 C CNN
F 3 "" H 15250 8200 50  0000 C CNN
F 4 "NA" H 15250 8200 60  0001 C CNN "part"
	1    15250 8200
	1    0    0    -1  
$EndComp
Entry Wire Line
	15850 8300 15950 8200
Text Label 15500 8200 0    60   ~ 0
SWDCLK
Text Label 15000 7700 0    60   ~ 0
DEBUG_BUS
Text Label 15500 8300 0    60   ~ 0
SWO
Text Label 15000 8200 2    60   ~ 0
SWDIO
$Comp
L GND #PWR027
U 1 1 5849D7B5
P 14900 8400
F 0 "#PWR027" H 14900 8150 50  0001 C CNN
F 1 "GND" H 14900 8250 50  0000 C CNN
F 2 "" H 14900 8400 50  0000 C CNN
F 3 "" H 14900 8400 50  0000 C CNN
	1    14900 8400
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR028
U 1 1 5849E987
P 14900 8000
F 0 "#PWR028" H 14900 7850 50  0001 C CNN
F 1 "VCC" H 14900 8150 50  0000 C CNN
F 2 "" H 14900 8000 50  0000 C CNN
F 3 "" H 14900 8000 50  0000 C CNN
	1    14900 8000
	-1   0    0    -1  
$EndComp
Text Label 15500 8100 0    60   ~ 0
~RESET
Entry Wire Line
	15950 8000 15850 8100
Entry Wire Line
	14650 8200 14550 8100
Entry Wire Line
	15950 8100 15850 8200
Text Label 10700 4700 0    60   ~ 0
DEBUG_BUS
Entry Wire Line
	11250 4600 11350 4700
$Comp
L MAX30003 U4
U 1 1 582E7890
P 3700 2500
F 0 "U4" H 3700 2350 60  0000 C CNN
F 1 "MAX30003" H 3700 2650 60  0000 C CNN
F 2 "Housings_DFN_QFN:QFN-28-1EP_5x5mm_Pitch0.5mm" H 3800 2500 60  0001 C CNN
F 3 "" H 3800 2500 60  0001 C CNN
F 4 "MAX30003CTI+-ND" H 3700 2500 60  0001 C CNN "digikey"
F 5 "MAX30003CTI+" H 3700 2500 60  0001 C CNN "part"
	1    3700 2500
	1    0    0    -1  
$EndComp
$Comp
L EM7180SFP U6
U 1 1 584C8D6D
P 10550 6650
F 0 "U6" H 10550 6750 60  0000 C CNN
F 1 "EM7180SFP" H 10600 6550 60  0000 C CNN
F 2 "SweetZpot:EM7180SFP" H 10550 6650 60  0001 C CNN
F 3 "" H 10550 6650 60  0001 C CNN
F 4 "DNI" H 10550 6350 60  0000 C CNN "assembly"
	1    10550 6650
	1    0    0    -1  
$EndComp
Text Notes 9500 5700 0    100  ~ 20
Sensor Fuison
$Comp
L VDD_SF #PWR029
U 1 1 584DA1E9
P 9650 6450
F 0 "#PWR029" H 9650 6400 60  0001 C CNN
F 1 "VDD_SF" H 9650 6600 60  0000 C CNN
F 2 "" H 9650 6450 60  0001 C CNN
F 3 "" H 9650 6450 60  0001 C CNN
	1    9650 6450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR030
U 1 1 584DA6FB
P 9750 6850
F 0 "#PWR030" H 9750 6600 50  0001 C CNN
F 1 "GND" H 9750 6700 50  0000 C CNN
F 2 "" H 9750 6850 50  0000 C CNN
F 3 "" H 9750 6850 50  0000 C CNN
	1    9750 6850
	1    0    0    -1  
$EndComp
Entry Wire Line
	12000 6550 12100 6650
Entry Wire Line
	12000 6650 12100 6750
Entry Wire Line
	12000 6750 12100 6850
Text Label 11250 6550 0    60   ~ 0
SF_SDA
Text Label 11250 6650 0    60   ~ 0
SF_SCL
Text Label 11250 6750 0    60   ~ 0
SF_INT
$Comp
L CONN_02X05 P1
U 1 1 584E0718
P 14100 6550
F 0 "P1" H 14100 6850 50  0000 C CNN
F 1 "PROGRAMMER" H 14100 6250 50  0000 C CNN
F 2 "JLink:JLINK_10_NEEDLE" H 14100 5350 50  0001 C CNN
F 3 "" H 14100 5350 50  0000 C CNN
F 4 "NA" H 14100 6550 60  0001 C CNN "part"
	1    14100 6550
	1    0    0    -1  
$EndComp
Text Label 13850 6450 2    60   ~ 0
SWDIO
Text Label 14800 6650 2    60   ~ 0
STRAIN_+
Text Label 13600 6750 0    60   ~ 0
ECGP
Text Label 14800 6750 2    60   ~ 0
ECGN
Entry Wire Line
	13350 6450 13250 6550
Entry Wire Line
	13350 6650 13250 6750
Text Label 13250 6450 2    60   ~ 0
DEBUG_BUS
Entry Wire Line
	10550 4950 10650 5050
Entry Wire Line
	10450 4950 10550 5050
Text Label 10550 4750 1    60   ~ 0
SF_SDA
Text Label 10450 4750 1    60   ~ 0
SF_SCL
Text Label 10650 4750 1    60   ~ 0
SF_INT
Text Label 10700 5050 0    60   ~ 0
SENSOR_FUSION
Text Label 12100 6400 3    60   ~ 0
SENSOR_FUSION
Entry Wire Line
	10650 4950 10750 5050
Text Label 10350 4750 1    60   ~ 0
SF_ENABLE
$Comp
L PWR_FLAG #FLG031
U 1 1 5853B4A4
P 11400 9500
F 0 "#FLG031" H 11400 9595 50  0001 C CNN
F 1 "PWR_FLAG" H 11400 9680 50  0000 C CNN
F 2 "" H 11400 9500 50  0000 C CNN
F 3 "" H 11400 9500 50  0000 C CNN
	1    11400 9500
	1    0    0    -1  
$EndComp
$Comp
L MMBD4148SE D1
U 1 1 58543D1C
P 6050 8550
F 0 "D1" H 6050 8750 60  0000 C CNN
F 1 "MMBD4148SE" H 6050 8350 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 6000 8550 60  0001 C CNN
F 3 "" H 6000 8550 60  0001 C CNN
F 4 "MMBD4148SE-TPMSCT-ND" H 6050 8550 60  0001 C CNN "digikey"
F 5 "MMBD4148SE-TP" H 6050 8550 60  0001 C CNN "part"
	1    6050 8550
	1    0    0    -1  
$EndComp
$Comp
L ASTMKH U7
U 1 1 58550FEF
P 1350 3850
F 0 "U7" H 1350 4000 60  0000 C CNN
F 1 "ASTMKH" H 1300 3550 60  0000 C CNN
F 2 "SweetZpot:ASTMKH_V2" H 1350 3850 60  0001 C CNN
F 3 "" H 1350 3850 60  0001 C CNN
F 4 "535-12975-2-ND" H 1350 3850 60  0001 C CNN "digikey"
F 5 "ASTMKH-32.768KHZ-LQ-DCC-T" H 1350 3850 60  0001 C CNN "part"
	1    1350 3850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR032
U 1 1 585514C6
P 800 4000
F 0 "#PWR032" H 800 3750 50  0001 C CNN
F 1 "GND" H 800 3850 50  0000 C CNN
F 2 "" H 800 4000 50  0000 C CNN
F 3 "" H 800 4000 50  0000 C CNN
	1    800  4000
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 P22
U 1 1 58556A40
P 9900 9650
F 0 "P22" H 9900 9800 50  0000 C CNN
F 1 "BATTERY" V 10000 9650 50  0000 C CNN
F 2 "SweetZpot:COIN_CELL_BATTERY" H 9900 9650 50  0001 C CNN
F 3 "" H 9900 9650 50  0000 C CNN
F 4 "NA" H 9900 9650 60  0001 C CNN "part"
	1    9900 9650
	-1   0    0    1   
$EndComp
$Comp
L Crystal_Small_gnd Y1
U 1 1 58568948
P 12900 900
F 0 "Y1" H 12900 1000 50  0000 C CNN
F 1 "32 MHz" H 12900 1100 50  0000 C CNN
F 2 "SweetZpot:FA-128" H 12900 900 50  0001 C CNN
F 3 "http://media.digikey.com/pdf/Data%20Sheets/Optrex%20PDFs/CX2016DB_Series_Spec.pdf" H 12900 900 50  0001 C CNN
F 4 "1253-1118-6-ND" H 12900 900 60  0001 C CNN "digikey"
F 5 "CX2016DB32000D0FLJCC" H 12900 900 60  0001 C CNN "part"
	1    12900 900 
	-1   0    0    -1  
$EndComp
Text Label 9650 3300 2    60   ~ 0
STRAIN_ENABLE
Text Label 9650 2700 2    60   ~ 0
HR_ENABLE
$Comp
L Q_PMOS_GSD Q1
U 1 1 585B6C74
P 7300 9900
F 0 "Q1" H 7600 9950 50  0000 R CNN
F 1 "DMP2305U-7" H 8000 9850 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 7500 10000 50  0001 C CNN
F 3 "DMP2305U-7.pdf" H 7300 9900 50  0001 C CNN
F 4 "DMP2305UDIDKR-ND" H 7300 9900 60  0001 C CNN "digikey"
F 5 "DMP2305U-7" H 7300 9900 60  0001 C CNN "part"
	1    7300 9900
	0    -1   -1   0   
$EndComp
Text Notes 13400 900  0    60   ~ 0
Design and values follow the guides from nRF52\nProduct specification, chapter 53.2: "Schematic\nQFAA and QFAB QFN48 with DC/DC regulator setup"
$Comp
L VCC #PWR033
U 1 1 586420B8
P 7700 9700
F 0 "#PWR033" H 7700 9550 50  0001 C CNN
F 1 "VCC" H 7700 9850 50  0000 C CNN
F 2 "" H 7700 9700 50  0000 C CNN
F 3 "" H 7700 9700 50  0000 C CNN
	1    7700 9700
	1    0    0    -1  
$EndComp
$Comp
L MCP4018 U2
U 1 1 586AF859
P 3200 9150
F 0 "U2" H 3350 9150 60  0000 C CNN
F 1 "MCP4018T-103E/LT" H 3200 8750 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SC-70-6" H 3200 9250 60  0001 C CNN
F 3 "" H 3200 9250 60  0001 C CNN
F 4 "MCP4018T-103E/LTCT-ND" H 3200 9150 60  0001 C CNN "digikey"
F 5 "MCP4018T-103E/LT" H 3200 9150 60  0001 C CNN "part"
	1    3200 9150
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR034
U 1 1 586B134D
P 4200 4200
F 0 "#PWR034" H 4200 4050 50  0001 C CNN
F 1 "VCC" H 4200 4350 50  0000 C CNN
F 2 "" H 4200 4200 50  0000 C CNN
F 3 "" H 4200 4200 50  0000 C CNN
	1    4200 4200
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR035
U 1 1 586B1820
P 4800 5000
F 0 "#PWR035" H 4800 4750 50  0001 C CNN
F 1 "GND" H 4800 4850 50  0000 C CNN
F 2 "" H 4800 5000 50  0000 C CNN
F 3 "" H 4800 5000 50  0000 C CNN
	1    4800 5000
	-1   0    0    -1  
$EndComp
$Comp
L C C30
U 1 1 586B322A
P 4200 4650
F 0 "C30" H 4225 4750 50  0000 L CNN
F 1 "0.1u" H 4225 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 4238 4500 50  0001 C CNN
F 3 "" H 4200 4650 50  0000 C CNN
F 4 "490-6310-2-ND" H 4200 4650 60  0001 C CNN "digikey"
F 5 "GRM155R61C104KA88J" H 4200 4650 60  0001 C CNN "part"
	1    4200 4650
	1    0    0    -1  
$EndComp
$Comp
L C C31
U 1 1 586B4ACE
P 5400 4650
F 0 "C31" H 5425 4750 50  0000 L CNN
F 1 "1u" H 5425 4550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 5438 4500 50  0001 C CNN
F 3 "" H 5400 4650 50  0000 C CNN
F 4 "490-10694-2-ND" H 5400 4650 60  0001 C CNN "digikey"
F 5 "GRM155R61C105KA12D" H 5400 4650 60  0001 C CNN "part"
	1    5400 4650
	1    0    0    -1  
$EndComp
$Comp
L TCR2LF18 U8
U 1 1 586B574C
P 4800 4400
F 0 "U8" H 4500 4150 60  0000 L CNN
F 1 "TCR2LF18" H 4800 4650 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 4800 4400 60  0001 C CNN
F 3 "" H 4800 4400 60  0001 C CNN
F 4 "TCR2LF18LM(CTCT-ND" H 4800 4400 60  0001 C CNN "digikey"
F 5 "TCR2LF18,LM(CT" H 4800 4400 60  0001 C CNN "part"
	1    4800 4400
	1    0    0    -1  
$EndComp
Entry Wire Line
	5500 1650 5600 1750
Text Label 5450 1650 2    60   ~ 0
HR_ENABLE
Entry Wire Line
	11050 4600 11150 4700
Text Label 11050 4600 1    60   ~ 0
P0.19
Text Label 13850 6650 2    60   ~ 0
P0.19
$Comp
L R R7
U 1 1 586CDA03
P 11600 6200
F 0 "R7" V 11680 6200 50  0000 C CNN
F 1 "4.7k" V 11600 6200 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 11530 6200 50  0001 C CNN
F 3 "" H 11600 6200 50  0000 C CNN
F 4 "311-4.7KJRCT-ND" V 11600 6200 60  0001 C CNN "digikey"
F 5 "RC0402JR-074K7L" V 11600 6200 60  0001 C CNN "part"
	1    11600 6200
	1    0    0    -1  
$EndComp
$Comp
L R R8
U 1 1 586CE709
P 11800 6200
F 0 "R8" V 11880 6200 50  0000 C CNN
F 1 "4.7k" V 11800 6200 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 11730 6200 50  0001 C CNN
F 3 "" H 11800 6200 50  0000 C CNN
F 4 "311-4.7KJRCT-ND" V 11800 6200 60  0001 C CNN "digikey"
F 5 "RC0402JR-074K7L" V 11800 6200 60  0001 C CNN "part"
	1    11800 6200
	1    0    0    1   
$EndComp
$Comp
L VDD_SF #PWR036
U 1 1 586CF192
P 11500 5850
F 0 "#PWR036" H 11500 5800 60  0001 C CNN
F 1 "VDD_SF" H 11500 6000 60  0000 C CNN
F 2 "" H 11500 5850 60  0001 C CNN
F 3 "" H 11500 5850 60  0001 C CNN
	1    11500 5850
	1    0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 586CFF62
P 4500 9000
F 0 "R5" V 4580 9000 50  0000 C CNN
F 1 "4.7k" V 4500 9000 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 4430 9000 50  0001 C CNN
F 3 "" H 4500 9000 50  0000 C CNN
F 4 "311-4.7KJRCT-ND" V 4500 9000 60  0001 C CNN "digikey"
F 5 "RC0402JR-074K7L" V 4500 9000 60  0001 C CNN "part"
	1    4500 9000
	1    0    0    -1  
$EndComp
$Comp
L R R6
U 1 1 586CFF6A
P 4700 9000
F 0 "R6" V 4780 9000 50  0000 C CNN
F 1 "4.7k" V 4700 9000 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 4630 9000 50  0001 C CNN
F 3 "" H 4700 9000 50  0000 C CNN
F 4 "311-4.7KJRCT-ND" V 4700 9000 60  0001 C CNN "digikey"
F 5 "RC0402JR-074K7L" V 4700 9000 60  0001 C CNN "part"
	1    4700 9000
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 59844FD7
P 13750 6100
F 0 "R9" V 13830 6100 50  0000 C CNN
F 1 "0" V 13750 6100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 13680 6100 50  0001 C CNN
F 3 "" H 13750 6100 50  0000 C CNN
F 4 "311-0.0GRCT-ND" V 13750 6100 60  0001 C CNN "digikey"
F 5 "RC0603JR-070RL" V 13750 6100 60  0001 C CNN "part"
	1    13750 6100
	1    0    0    -1  
$EndComp
$Comp
L C C35
U 1 1 5989A9B7
P 7600 10050
F 0 "C35" H 7625 10150 50  0000 L CNN
F 1 "10u" H 7625 9950 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 7638 9900 50  0001 C CNN
F 3 "" H 7600 10050 50  0000 C CNN
F 4 "1276-1804-1-ND" H 7600 10050 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 7600 10050 60  0001 C CNN "part"
F 6 "10%" H 6150 6050 60  0001 C CNN "tolerance"
F 7 "16V" H 6150 6050 60  0001 C CNN "voltage"
F 8 "X7R" H 6150 6050 60  0001 C CNN "temp_coeff"
	1    7600 10050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR037
U 1 1 5989C350
P 7600 10300
F 0 "#PWR037" H 7600 10050 50  0001 C CNN
F 1 "GND" H 7600 10150 50  0000 C CNN
F 2 "" H 7600 10300 50  0001 C CNN
F 3 "" H 7600 10300 50  0001 C CNN
	1    7600 10300
	1    0    0    -1  
$EndComp
Text Label 8200 10700 2    60   ~ 0
STRAIN_ENABLE
$Comp
L PWR_FLAG #FLG038
U 1 1 5989F8A7
P 10700 7500
F 0 "#FLG038" H 10700 7595 50  0001 C CNN
F 1 "PWR_FLAG" H 10700 7680 50  0001 C CNN
F 2 "" H 10700 7500 50  0000 C CNN
F 3 "" H 10700 7500 50  0000 C CNN
	1    10700 7500
	1    0    0    -1  
$EndComp
$Comp
L Q_PMOS_GSD Q2
U 1 1 5989F8AF
P 11000 7700
F 0 "Q2" H 11300 7750 50  0000 R CNN
F 1 "DMP2305U-7" H 11700 7650 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 11200 7800 50  0001 C CNN
F 3 "DMP2305U-7.pdf" H 11000 7700 50  0001 C CNN
F 4 "DMP2305UDIDKR-ND" H 11000 7700 60  0001 C CNN "digikey"
F 5 "DMP2305U-7" H 11000 7700 60  0001 C CNN "part"
	1    11000 7700
	0    -1   -1   0   
$EndComp
$Comp
L VCC #PWR039
U 1 1 5989F8B5
P 11400 7500
F 0 "#PWR039" H 11400 7350 50  0001 C CNN
F 1 "VCC" H 11400 7650 50  0000 C CNN
F 2 "" H 11400 7500 50  0000 C CNN
F 3 "" H 11400 7500 50  0000 C CNN
	1    11400 7500
	1    0    0    -1  
$EndComp
$Comp
L C C36
U 1 1 5989F8C0
P 11300 7850
F 0 "C36" H 11325 7950 50  0000 L CNN
F 1 "10u" H 11325 7750 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 11338 7700 50  0001 C CNN
F 3 "" H 11300 7850 50  0000 C CNN
F 4 "1276-1804-1-ND" H 11300 7850 60  0001 C CNN "digikey"
F 5 "CL31B106KAHNNNE" H 11300 7850 60  0001 C CNN "part"
F 6 "10%" H 9850 3850 60  0001 C CNN "tolerance"
F 7 "16V" H 9850 3850 60  0001 C CNN "voltage"
F 8 "X7R" H 9850 3850 60  0001 C CNN "temp_coeff"
	1    11300 7850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR040
U 1 1 5989F8D2
P 11300 8100
F 0 "#PWR040" H 11300 7850 50  0001 C CNN
F 1 "GND" H 11300 7950 50  0000 C CNN
F 2 "" H 11300 8100 50  0001 C CNN
F 3 "" H 11300 8100 50  0001 C CNN
	1    11300 8100
	1    0    0    -1  
$EndComp
Text Label 11600 8500 2    60   ~ 0
SF_ENABLE
$Comp
L VDD_SF #PWR041
U 1 1 598A09A4
P 10500 7500
F 0 "#PWR041" H 10500 7450 60  0001 C CNN
F 1 "VDD_SF" H 10500 7650 60  0000 C CNN
F 2 "" H 10500 7500 60  0001 C CNN
F 3 "" H 10500 7500 60  0001 C CNN
	1    10500 7500
	1    0    0    -1  
$EndComp
Entry Wire Line
	10350 4950 10450 5050
Entry Wire Line
	8050 3400 8150 3300
$Comp
L Q_PMOS_GSD Q3
U 1 1 598A4293
P 10500 9700
F 0 "Q3" H 10800 9750 50  0000 R CNN
F 1 "DMP2305U-7" H 11200 9650 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 10700 9800 50  0001 C CNN
F 3 "DMP2305U-7.pdf" H 10500 9700 50  0001 C CNN
F 4 "DMP2305UDIDKR-ND" H 10500 9700 60  0001 C CNN "digikey"
F 5 "DMP2305U-7" H 10500 9700 60  0001 C CNN "part"
	1    10500 9700
	0    -1   -1   0   
$EndComp
Text Notes 9500 8900 0    100  ~ 20
Battery
Entry Wire Line
	7750 2800 7850 2700
Text Label 7750 3050 1    60   ~ 0
HR_BUS
Text Label 3300 4400 0    60   ~ 0
HR_ENABLE
Text Notes 600  5400 0    60   ~ 0
C14 is current surge protection for the LDO.\n\nC30 and C31 are specified by the LDO.\nCan be ceramic.\n\nC10 is decoupling specified by MAX30003.
$Comp
L C C100
U 1 1 598DD284
P 1300 1650
F 0 "C100" H 1325 1750 50  0000 L CNN
F 1 "1n" H 1325 1550 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 1338 1500 50  0001 C CNN
F 3 "" H 1300 1650 50  0001 C CNN
F 4 "DNI" H 1400 1450 60  0000 C CNN "assembly"
F 5 "490-11362-1-ND" H 1300 1650 60  0001 C CNN "digikey"
F 6 "GRM1555C1E1R0BA01D" H 1300 1650 60  0001 C CNN "part"
	1    1300 1650
	1    0    0    -1  
$EndComp
$Comp
L C C101
U 1 1 598DD39A
P 1600 1450
F 0 "C101" H 1625 1550 50  0000 L CNN
F 1 "4.7n" H 1625 1350 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 1638 1300 50  0001 C CNN
F 3 "" H 1600 1450 50  0001 C CNN
F 4 "490-1309-1-ND" H 1600 1450 60  0001 C CNN "digikey"
F 5 "GRM155R71E472KA01D" H 1600 1450 60  0001 C CNN "part"
	1    1600 1450
	1    0    0    -1  
$EndComp
$Comp
L C C102
U 1 1 598DD494
P 1600 1950
F 0 "C102" H 1625 2050 50  0000 L CNN
F 1 "4.7n" H 1625 1850 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 1638 1800 50  0001 C CNN
F 3 "" H 1600 1950 50  0001 C CNN
F 4 "490-1309-1-ND" H 1600 1950 60  0001 C CNN "digikey"
F 5 "GRM155R71E472KA01D" H 1600 1950 60  0001 C CNN "part"
	1    1600 1950
	1    0    0    -1  
$EndComp
$Comp
L R R100
U 1 1 598DD947
P 1050 1200
F 0 "R100" V 1130 1200 50  0000 C CNN
F 1 "1M" V 1050 1200 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 980 1200 50  0001 C CNN
F 3 "" H 1050 1200 50  0001 C CNN
F 4 "311-1.00MLRCT-ND" V 1050 1200 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 1050 1200 60  0001 C CNN "part"
	1    1050 1200
	0    1    1    0   
$EndComp
$Comp
L R R101
U 1 1 598DDAA8
P 1050 2200
F 0 "R101" V 1130 2200 50  0000 C CNN
F 1 "1M" V 1050 2200 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 980 2200 50  0001 C CNN
F 3 "" H 1050 2200 50  0001 C CNN
F 4 "311-1.00MLRCT-ND" V 1050 2200 60  0001 C CNN "digikey"
F 5 "RC0402FR-071ML" V 1050 2200 60  0001 C CNN "part"
	1    1050 2200
	0    1    1    0   
$EndComp
$Comp
L GND #PWR042
U 1 1 598DE7B4
P 2000 1800
F 0 "#PWR042" H 2000 1550 50  0001 C CNN
F 1 "GND" H 2000 1650 50  0000 C CNN
F 2 "" H 2000 1800 50  0001 C CNN
F 3 "" H 2000 1800 50  0001 C CNN
	1    2000 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 1650 5500 1650
Wire Wire Line
	3800 1650 3800 1750
Wire Wire Line
	3500 1650 3800 1650
Wire Wire Line
	3300 4400 4300 4400
Wire Wire Line
	7850 2700 9650 2700
Wire Wire Line
	4800 4800 4800 5000
Wire Wire Line
	5400 4900 5400 4800
Connection ~ 5400 4300
Connection ~ 4200 4300
Connection ~ 4800 4900
Wire Wire Line
	3900 4900 5700 4900
Wire Wire Line
	4200 4900 4200 4800
Wire Wire Line
	4200 4200 4200 4500
Wire Wire Line
	3900 4300 4300 4300
Wire Wire Line
	5400 4200 5400 4500
Wire Wire Line
	5300 4300 5700 4300
Wire Wire Line
	7300 10100 7300 10700
Wire Wire Line
	7700 9800 7700 9700
Wire Wire Line
	7500 9800 7700 9800
Wire Wire Line
	10550 4250 10550 4950
Wire Wire Line
	15500 8100 15850 8100
Wire Wire Line
	15000 8200 14650 8200
Wire Wire Line
	15850 8200 15500 8200
Wire Wire Line
	15500 8300 15850 8300
Wire Bus Line
	15950 7700 15950 8300
Wire Bus Line
	14550 7700 15950 7700
Wire Bus Line
	14550 7700 14550 8200
Wire Wire Line
	15000 8300 14900 8300
Wire Wire Line
	13650 3250 13650 3200
Connection ~ 12600 3250
Connection ~ 7000 9800
Wire Wire Line
	6800 9800 7100 9800
Connection ~ 12900 1100
Connection ~ 12900 1500
Wire Wire Line
	12900 1100 12900 1600
Wire Wire Line
	12850 1100 12850 1050
Wire Wire Line
	12850 1100 12950 1100
Wire Wire Line
	12950 1100 12950 1050
Wire Wire Line
	800  3400 800  3800
Wire Wire Line
	800  3800 900  3800
Wire Wire Line
	800  3900 800  4000
Wire Wire Line
	900  3900 800  3900
Wire Wire Line
	6450 8550 6200 8550
Wire Wire Line
	6450 6400 6450 8550
Connection ~ 6450 8150
Connection ~ 5550 8450
Wire Wire Line
	5550 8650 5850 8650
Connection ~ 5550 8150
Wire Wire Line
	5550 8450 5850 8450
Wire Wire Line
	11400 9600 11400 9500
Wire Wire Line
	10650 4250 10650 4950
Wire Wire Line
	10450 4950 10450 4250
Wire Wire Line
	10350 4250 10350 4950
Wire Bus Line
	10300 5050 11400 5050
Wire Wire Line
	13600 6750 13850 6750
Wire Bus Line
	13250 6450 13250 7000
Wire Wire Line
	14350 6750 14800 6750
Wire Wire Line
	14350 6650 14800 6650
Wire Wire Line
	13350 6650 13850 6650
Wire Wire Line
	9850 6650 9750 6650
Wire Wire Line
	11250 6750 12000 6750
Wire Wire Line
	11250 6650 12000 6650
Wire Wire Line
	11250 6550 12000 6550
Wire Bus Line
	12100 6400 12100 7050
Wire Wire Line
	9850 6550 9650 6550
Wire Notes Line
	9400 11200 9400 5500
Wire Bus Line
	10700 4700 11400 4700
Wire Wire Line
	14900 8100 14900 8000
Wire Wire Line
	15000 8100 14900 8100
Wire Wire Line
	14900 8300 14900 8400
Wire Wire Line
	14600 9400 14200 9400
Wire Wire Line
	14200 9000 14600 9000
Wire Wire Line
	13550 9400 13300 9400
Wire Wire Line
	13300 9000 13550 9000
Wire Wire Line
	8150 3300 9650 3300
Wire Wire Line
	6800 9750 6800 9800
Wire Notes Line
	12300 8600 15950 8600
Wire Wire Line
	11000 9600 11000 9500
Wire Wire Line
	13750 5950 13750 5850
Wire Wire Line
	13750 6350 13750 6250
Wire Wire Line
	13850 6350 13750 6350
Wire Wire Line
	11250 4250 11250 4600
Wire Wire Line
	13350 6450 13850 6450
Wire Wire Line
	13450 6550 13450 6850
Wire Wire Line
	13850 6550 13450 6550
Wire Notes Line
	12300 5500 12300 9900
Wire Wire Line
	14350 6450 15100 6450
Wire Wire Line
	14350 6350 15100 6350
Wire Wire Line
	14350 6550 15100 6550
Wire Bus Line
	15200 6350 15200 6900
Connection ~ 6550 6800
Wire Wire Line
	8100 7550 8200 7550
Wire Wire Line
	8100 6800 8100 7550
Wire Wire Line
	9150 7650 8800 7650
Wire Wire Line
	9150 8050 9150 7650
Wire Wire Line
	8100 8050 9150 8050
Wire Wire Line
	8100 7750 8100 8050
Wire Wire Line
	8200 7750 8100 7750
Connection ~ 4650 6950
Wire Wire Line
	4650 7350 4650 7450
Wire Wire Line
	4650 6950 4550 6950
Wire Wire Line
	4150 6950 4250 6950
Wire Bus Line
	10500 950  11200 950 
Wire Wire Line
	11000 1550 11000 1050
Wire Wire Line
	10500 1050 10500 1550
Wire Wire Line
	10600 1050 10600 1550
Wire Wire Line
	10700 1050 10700 1550
Wire Wire Line
	10800 1050 10800 1550
Wire Wire Line
	10900 1050 10900 1550
Wire Bus Line
	5600 1650 5600 2900
Wire Wire Line
	11950 4400 12550 4400
Wire Wire Line
	11950 4250 11950 4400
Wire Notes Line
	6100 550  6100 5500
Wire Notes Line
	550  5500 15950 5500
Connection ~ 9250 1400
Wire Wire Line
	9500 1200 9250 1200
Wire Wire Line
	9500 2600 9500 1200
Wire Wire Line
	9650 2600 9500 2600
Connection ~ 8850 1400
Wire Wire Line
	9600 1100 8850 1100
Wire Wire Line
	9600 2500 9600 1100
Wire Wire Line
	9650 2500 9600 2500
Connection ~ 9050 1900
Wire Wire Line
	9050 2000 9050 1900
Wire Wire Line
	8850 1900 9250 1900
Wire Wire Line
	9250 1900 9250 1800
Wire Wire Line
	8850 1800 8850 1900
Wire Wire Line
	9250 1200 9250 1500
Wire Wire Line
	9150 1400 9250 1400
Wire Wire Line
	8850 1100 8850 1500
Wire Wire Line
	8950 1400 8850 1400
Wire Wire Line
	12350 2050 12800 2050
Wire Wire Line
	12350 1950 12800 1950
Wire Wire Line
	12350 2150 12800 2150
Wire Bus Line
	12900 1950 12900 2250
Connection ~ 13950 2450
Connection ~ 13950 2350
Connection ~ 13950 2550
Wire Wire Line
	14450 2350 14450 2700
Connection ~ 14200 3750
Wire Wire Line
	14450 3750 14450 3000
Wire Wire Line
	13950 2550 12350 2550
Wire Wire Line
	14200 2450 14200 2700
Connection ~ 13950 3750
Wire Wire Line
	14200 3750 14200 3000
Wire Wire Line
	13950 3750 13950 3000
Wire Wire Line
	13950 2050 13950 2700
Connection ~ 13350 3750
Wire Wire Line
	12350 2750 13650 2750
Wire Wire Line
	13650 3000 13650 2950
Connection ~ 12700 900 
Wire Wire Line
	11650 900  11650 1550
Connection ~ 13100 900 
Wire Wire Line
	11550 600  11550 1550
Wire Wire Line
	12700 1500 12700 1400
Wire Wire Line
	12700 1500 13100 1500
Wire Wire Line
	13100 1500 13100 1400
Wire Wire Line
	13000 900  13100 900 
Wire Wire Line
	11650 900  12800 900 
Connection ~ 13100 3750
Wire Wire Line
	13350 3750 13350 3650
Wire Wire Line
	13350 2950 13350 3350
Wire Wire Line
	12600 3250 12600 3350
Wire Wire Line
	12350 3250 13650 3250
Wire Wire Line
	12850 3150 12850 3350
Wire Wire Line
	12350 3150 12850 3150
Wire Wire Line
	13100 3050 13100 3350
Wire Wire Line
	12350 3050 13100 3050
Wire Wire Line
	12350 2950 13350 2950
Connection ~ 12450 3750
Connection ~ 12850 3750
Wire Wire Line
	13100 3750 13100 3650
Connection ~ 12600 3750
Wire Wire Line
	12850 3750 12850 3650
Wire Wire Line
	12450 3750 14450 3750
Wire Wire Line
	12600 3650 12600 3750
Wire Wire Line
	5250 9400 5250 9500
Wire Wire Line
	5250 8750 5250 9100
Wire Wire Line
	2350 9350 2350 9450
Connection ~ 4150 7750
Wire Wire Line
	4150 7750 4150 6950
Wire Wire Line
	4650 6400 4650 7050
Connection ~ 12450 3550
Wire Wire Line
	12350 3550 12450 3550
Connection ~ 12450 3650
Wire Wire Line
	12450 3650 12350 3650
Wire Wire Line
	12450 3450 12450 4000
Wire Wire Line
	12350 3450 12450 3450
Wire Wire Line
	12350 2450 14200 2450
Wire Wire Line
	12350 2350 14450 2350
Wire Wire Line
	5000 2700 5500 2700
Wire Wire Line
	5000 2600 5500 2600
Wire Wire Line
	5000 2400 5500 2400
Wire Wire Line
	5000 2300 5500 2300
Wire Wire Line
	5000 2200 5500 2200
Wire Wire Line
	5000 2100 5500 2100
Connection ~ 3650 1650
Wire Wire Line
	3650 1550 3650 1650
Wire Wire Line
	4100 1650 4100 1750
Wire Wire Line
	3500 1750 3500 1650
Connection ~ 4750 3350
Connection ~ 3550 3350
Wire Wire Line
	3550 3250 3550 3350
Connection ~ 3650 3350
Wire Wire Line
	3650 3350 3650 3250
Connection ~ 3750 3350
Wire Wire Line
	3750 3350 3750 3250
Connection ~ 3850 3350
Wire Wire Line
	3850 3350 3850 3250
Connection ~ 3950 3350
Wire Wire Line
	3950 3350 3950 3250
Connection ~ 4150 3350
Wire Wire Line
	4150 3350 4150 3250
Connection ~ 4350 3350
Wire Wire Line
	4350 3350 4350 3250
Connection ~ 4550 3350
Wire Wire Line
	4550 3350 4550 3250
Connection ~ 4650 3350
Wire Wire Line
	4650 3350 4650 3250
Wire Wire Line
	4750 3250 4750 3450
Wire Wire Line
	3450 3350 4750 3350
Wire Wire Line
	3450 3250 3450 3350
Wire Wire Line
	2650 3750 2650 3850
Wire Wire Line
	2850 3350 2850 3450
Wire Wire Line
	3050 3350 2850 3350
Wire Wire Line
	3050 3250 3050 3350
Wire Wire Line
	2950 3300 2950 3250
Wire Wire Line
	2650 3300 2950 3300
Wire Wire Line
	2650 3450 2650 3300
Wire Wire Line
	3050 3400 3050 3450
Wire Wire Line
	3150 3400 3050 3400
Wire Wire Line
	3150 3250 3150 3400
Wire Wire Line
	3250 3250 3250 3450
Wire Wire Line
	2000 2850 2400 2850
Wire Wire Line
	2000 2750 2000 2850
Wire Wire Line
	2000 2400 2400 2400
Wire Wire Line
	2000 2450 2000 2400
Wire Wire Line
	1200 2200 2400 2200
Wire Wire Line
	2350 9100 2500 9100
Wire Bus Line
	4900 9200 4900 9600
Wire Wire Line
	3900 9350 4800 9350
Wire Wire Line
	3900 9250 4800 9250
Wire Wire Line
	2350 8300 2350 9100
Wire Wire Line
	2500 9350 2350 9350
Wire Wire Line
	3900 8900 4000 8900
Wire Wire Line
	3500 6800 3500 6900
Connection ~ 3500 7300
Wire Wire Line
	3500 7200 3500 7400
Wire Wire Line
	3750 7300 3500 7300
Wire Wire Line
	3750 7200 3750 7300
Connection ~ 3750 6800
Wire Wire Line
	3750 6700 3750 6900
Connection ~ 2850 6300
Wire Wire Line
	2850 6300 2850 6200
Wire Wire Line
	7500 7650 7500 6400
Wire Wire Line
	7350 7650 7500 7650
Connection ~ 5550 7750
Wire Wire Line
	5550 7750 5550 8650
Wire Wire Line
	5850 8150 5550 8150
Connection ~ 6450 7750
Wire Wire Line
	6450 8150 6150 8150
Connection ~ 6450 7650
Wire Wire Line
	6450 7750 6750 7750
Wire Wire Line
	6250 7650 6450 7650
Connection ~ 5550 6800
Wire Wire Line
	6550 6800 6550 7550
Wire Wire Line
	6550 7550 6750 7550
Wire Wire Line
	3500 6800 8100 6800
Wire Wire Line
	5550 7550 5550 6800
Wire Wire Line
	5650 7550 5550 7550
Wire Wire Line
	5450 7750 5650 7750
Wire Wire Line
	5050 7750 5150 7750
Connection ~ 3650 7750
Wire Wire Line
	3750 6300 3750 6400
Connection ~ 3650 8200
Wire Wire Line
	3350 8200 3650 8200
Wire Wire Line
	3450 7750 4750 7750
Wire Wire Line
	3650 7750 3650 8450
Wire Wire Line
	3650 8450 3350 8450
Connection ~ 2750 8200
Wire Wire Line
	2750 8450 3050 8450
Connection ~ 2750 7850
Wire Wire Line
	2750 8200 3050 8200
Wire Wire Line
	2750 7850 2750 8450
Connection ~ 2350 7650
Wire Wire Line
	2600 8300 2600 8400
Connection ~ 2600 7650
Wire Wire Line
	2600 7650 2600 8000
Wire Wire Line
	2350 7650 2850 7650
Wire Wire Line
	2350 7400 2350 8000
Connection ~ 2350 6300
Wire Wire Line
	2350 7100 2350 6300
Wire Wire Line
	2100 10100 2100 10250
Connection ~ 1800 10600
Wire Wire Line
	2100 10600 2100 10450
Wire Wire Line
	1800 10500 1800 10700
Connection ~ 1800 10100
Wire Wire Line
	1800 9950 1800 10200
Wire Wire Line
	1800 7950 1800 8150
Wire Wire Line
	1250 7950 1800 7950
Wire Wire Line
	2100 10250 2200 10250
Wire Wire Line
	2100 10450 2200 10450
Connection ~ 1800 7850
Wire Wire Line
	1800 7400 1800 7850
Wire Wire Line
	1800 6300 3750 6300
Wire Wire Line
	1800 7100 1800 6300
Wire Wire Line
	1250 7850 2850 7850
Wire Bus Line
	4300 6300 7700 6300
Wire Bus Line
	8050 2800 8050 3450
Wire Wire Line
	8150 2800 9650 2800
Wire Wire Line
	8150 2900 9650 2900
Wire Wire Line
	8150 3000 9650 3000
Wire Wire Line
	12450 4400 12450 4500
Connection ~ 12450 4400
Wire Wire Line
	12450 4900 12450 4800
Wire Wire Line
	12750 4400 14450 4400
Wire Wire Line
	12850 4400 12850 4500
Wire Wire Line
	12850 4800 12850 4900
Connection ~ 12850 4400
Wire Wire Line
	8150 3100 9650 3100
Wire Wire Line
	8150 3200 9650 3200
Wire Wire Line
	7000 9500 7000 9800
Wire Wire Line
	11050 4250 11050 4600
Connection ~ 11600 6550
Connection ~ 11800 6650
Wire Wire Line
	11800 5950 11800 6050
Wire Wire Line
	11500 5950 11800 5950
Wire Wire Line
	11600 5950 11600 6050
Connection ~ 11600 5950
Wire Wire Line
	11500 5850 11500 5950
Wire Wire Line
	4700 8750 4700 8850
Wire Wire Line
	4000 8750 5250 8750
Wire Wire Line
	4500 8650 4500 8850
Connection ~ 4500 8750
Wire Wire Line
	4500 9150 4500 9250
Connection ~ 4500 9250
Wire Wire Line
	4700 9150 4700 9350
Connection ~ 4700 9350
Wire Wire Line
	4000 8900 4000 8750
Connection ~ 4700 8750
Wire Wire Line
	1800 10100 2100 10100
Wire Wire Line
	2100 10600 1800 10600
Wire Wire Line
	7600 9800 7600 9900
Connection ~ 7600 9800
Wire Wire Line
	7600 10200 7600 10300
Wire Wire Line
	7300 10700 8200 10700
Wire Notes Line
	12300 7400 15950 7400
Wire Wire Line
	11000 7900 11000 8500
Wire Wire Line
	11400 7600 11400 7500
Wire Wire Line
	11200 7600 11400 7600
Connection ~ 10700 7600
Wire Wire Line
	10500 7600 10800 7600
Wire Wire Line
	10500 7500 10500 7600
Wire Wire Line
	10700 7500 10700 7600
Wire Wire Line
	11300 7600 11300 7700
Connection ~ 11300 7600
Wire Wire Line
	11300 8000 11300 8100
Wire Notes Line
	9400 8700 12300 8700
Wire Wire Line
	10100 9700 10200 9700
Wire Wire Line
	10200 9700 10200 10100
Wire Wire Line
	10200 10000 10500 10000
Wire Wire Line
	10500 10000 10500 9900
Connection ~ 10200 10000
Wire Wire Line
	10300 9600 10100 9600
Wire Wire Line
	10700 9600 11400 9600
Connection ~ 11000 9600
Wire Wire Line
	13100 600  13100 1100
Wire Wire Line
	13100 600  11550 600 
Wire Wire Line
	12700 900  12700 1100
Wire Bus Line
	7750 2700 7750 3050
Wire Wire Line
	5700 4300 5700 4500
Wire Wire Line
	5700 4900 5700 4800
Connection ~ 5400 4900
Wire Wire Line
	3900 4300 3900 4500
Wire Wire Line
	3900 4800 3900 4900
Connection ~ 4200 4900
Wire Wire Line
	1600 1600 1600 1800
Wire Wire Line
	1600 1700 2000 1700
Wire Wire Line
	2000 1700 2000 1800
Connection ~ 1600 1700
Wire Wire Line
	1600 1200 1600 1300
Wire Wire Line
	1200 1200 2200 1200
Wire Wire Line
	1600 2200 1600 2100
Wire Wire Line
	1300 2200 1300 1800
Connection ~ 1600 2200
Wire Wire Line
	1300 1200 1300 1500
Connection ~ 1600 1200
Connection ~ 1300 1200
Connection ~ 1300 2200
Wire Wire Line
	900  1200 600  1200
Wire Wire Line
	900  2200 600  2200
Wire Wire Line
	2200 1200 2200 2100
Wire Wire Line
	2200 2100 2400 2100
Wire Wire Line
	1800 3800 2200 3800
Wire Wire Line
	2200 3800 2200 2950
Wire Wire Line
	2200 2950 2400 2950
$Comp
L GND #PWR043
U 1 1 598E6B65
P 2850 3850
F 0 "#PWR043" H 2850 3600 50  0001 C CNN
F 1 "GND" H 2850 3700 50  0000 C CNN
F 2 "" H 2850 3850 50  0000 C CNN
F 3 "" H 2850 3850 50  0000 C CNN
	1    2850 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 3750 2850 3850
$Comp
L GND #PWR044
U 1 1 598E6DD6
P 3050 3850
F 0 "#PWR044" H 3050 3600 50  0001 C CNN
F 1 "GND" H 3050 3700 50  0000 C CNN
F 2 "" H 3050 3850 50  0000 C CNN
F 3 "" H 3050 3850 50  0000 C CNN
	1    3050 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 3750 3050 3850
$Comp
L GND #PWR045
U 1 1 598E6F13
P 3250 3850
F 0 "#PWR045" H 3250 3600 50  0001 C CNN
F 1 "GND" H 3250 3700 50  0000 C CNN
F 2 "" H 3250 3850 50  0000 C CNN
F 3 "" H 3250 3850 50  0000 C CNN
	1    3250 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 3750 3250 3850
Text Label 800  3400 0    60   ~ 0
HR_ENABLE
Wire Wire Line
	9850 6750 9750 6750
Connection ~ 9750 6750
Connection ~ 9650 6550
$Comp
L C C9
U 1 1 599B9B2C
P 3250 3600
F 0 "C9" H 3275 3700 50  0000 L CNN
F 1 "1u" H 3275 3500 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 3288 3450 50  0001 C CNN
F 3 "" H 3250 3600 50  0000 C CNN
F 4 "490-10694-2-ND" H 3250 3600 60  0001 C CNN "digikey"
F 5 "GRM155R61C105KA12D" H 3250 3600 60  0001 C CNN "part"
	1    3250 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9750 6650 9750 6850
Wire Wire Line
	9650 6550 9650 6450
Wire Wire Line
	11600 6550 11600 6350
Wire Wire Line
	11800 6350 11800 6650
Wire Wire Line
	11000 8500 11600 8500
$EndSCHEMATC