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:special
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:soil_moisture_board-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "15 jan 2015"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L BLENDMICRO U1
U 1 1 54AAEF36
P 4500 3250
F 0 "U1" H 4500 3250 70  0000 C CNN
F 1 "BLENDMICRO" H 4500 3050 70  0000 C CNN
F 2 "~" H 4500 3250 60  0000 C CNN
F 3 "~" H 4500 3250 60  0000 C CNN
	1    4500 3250
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 54AAEF56
P 4200 1600
F 0 "R4" V 4280 1600 40  0000 C CNN
F 1 "100" V 4207 1601 40  0000 C CNN
F 2 "~" V 4130 1600 30  0000 C CNN
F 3 "~" H 4200 1600 30  0000 C CNN
	1    4200 1600
	-1   0    0    1   
$EndComp
$Comp
L R R3
U 1 1 54AAEF65
P 3850 1600
F 0 "R3" V 3930 1600 40  0000 C CNN
F 1 "56k" V 3857 1601 40  0000 C CNN
F 2 "~" V 3780 1600 30  0000 C CNN
F 3 "~" H 3850 1600 30  0000 C CNN
	1    3850 1600
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 P2
U 1 1 54AAEF8F
P 4100 800
F 0 "P2" V 4050 800 40  0000 C CNN
F 1 "CONN_2" V 4150 800 40  0000 C CNN
F 2 "" H 4100 800 60  0000 C CNN
F 3 "" H 4100 800 60  0000 C CNN
	1    4100 800 
	0    -1   -1   0   
$EndComp
$Comp
L BATTERY BT1
U 1 1 54AAF32A
P 4950 4550
F 0 "BT1" H 4950 4750 50  0000 C CNN
F 1 "BATTERY" H 4950 4360 50  0000 C CNN
F 2 "~" H 4950 4550 60  0000 C CNN
F 3 "~" H 4950 4550 60  0000 C CNN
	1    4950 4550
	1    0    0    -1  
$EndComp
$Comp
L JUMPER JP1
U 1 1 54AAF39B
P 4150 4550
F 0 "JP1" H 4150 4700 60  0000 C CNN
F 1 "Battery" H 4150 4470 40  0000 C CNN
F 2 "~" H 4150 4550 60  0000 C CNN
F 3 "~" H 4150 4550 60  0000 C CNN
	1    4150 4550
	1    0    0    -1  
$EndComp
$Comp
L R R6
U 1 1 54AAFA5A
P 5150 1600
F 0 "R6" V 5230 1600 40  0000 C CNN
F 1 "100" V 5157 1601 40  0000 C CNN
F 2 "~" V 5080 1600 30  0000 C CNN
F 3 "~" H 5150 1600 30  0000 C CNN
	1    5150 1600
	-1   0    0    1   
$EndComp
$Comp
L R R5
U 1 1 54AAFA60
P 4800 1600
F 0 "R5" V 4880 1600 40  0000 C CNN
F 1 "56k" V 4807 1601 40  0000 C CNN
F 2 "~" V 4730 1600 30  0000 C CNN
F 3 "~" H 4800 1600 30  0000 C CNN
	1    4800 1600
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 P3
U 1 1 54AAFA66
P 5050 800
F 0 "P3" V 5000 800 40  0000 C CNN
F 1 "CONN_2" V 5100 800 40  0000 C CNN
F 2 "" H 5050 800 60  0000 C CNN
F 3 "" H 5050 800 60  0000 C CNN
	1    5050 800 
	0    -1   -1   0   
$EndComp
$Comp
L R R8
U 1 1 54AD9084
P 6350 1600
F 0 "R8" V 6430 1600 40  0000 C CNN
F 1 "56k" V 6357 1601 40  0000 C CNN
F 2 "~" V 6280 1600 30  0000 C CNN
F 3 "~" H 6350 1600 30  0000 C CNN
	1    6350 1600
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 P4
U 1 1 54AD908A
P 6600 800
F 0 "P4" V 6550 800 40  0000 C CNN
F 1 "CONN_2" V 6650 800 40  0000 C CNN
F 2 "" H 6600 800 60  0000 C CNN
F 3 "" H 6600 800 60  0000 C CNN
	1    6600 800 
	0    -1   -1   0   
$EndComp
$Comp
L R R2
U 1 1 54AD9097
P 2250 1600
F 0 "R2" V 2330 1600 40  0000 C CNN
F 1 "100" V 2257 1601 40  0000 C CNN
F 2 "~" V 2180 1600 30  0000 C CNN
F 3 "~" H 2250 1600 30  0000 C CNN
	1    2250 1600
	-1   0    0    1   
$EndComp
$Comp
L R R1
U 1 1 54AD909D
P 1900 1600
F 0 "R1" V 1980 1600 40  0000 C CNN
F 1 "56k" V 1907 1601 40  0000 C CNN
F 2 "~" V 1830 1600 30  0000 C CNN
F 3 "~" H 1900 1600 30  0000 C CNN
	1    1900 1600
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 P1
U 1 1 54AD90A3
P 2150 800
F 0 "P1" V 2100 800 40  0000 C CNN
F 1 "CONN_2" V 2200 800 40  0000 C CNN
F 2 "" H 2150 800 60  0000 C CNN
F 3 "" H 2150 800 60  0000 C CNN
	1    2150 800 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5400 3750 5750 3750
Wire Wire Line
	4200 1350 4200 1150
Wire Wire Line
	5250 4550 5500 4550
Wire Wire Line
	5500 3850 5400 3850
Wire Wire Line
	3500 3650 3600 3650
Wire Wire Line
	3500 4550 3850 4550
Wire Wire Line
	3500 4550 3500 3650
Wire Wire Line
	4450 4550 4650 4550
Wire Wire Line
	5500 3850 5500 4700
Wire Wire Line
	5150 1350 5150 1150
Wire Wire Line
	5150 2000 5150 1850
Wire Wire Line
	3850 1350 3850 1250
Wire Wire Line
	3850 1250 4000 1250
Connection ~ 4000 1250
Wire Wire Line
	4800 1350 4800 1250
Wire Wire Line
	4800 1250 4950 1250
Connection ~ 4950 1250
Wire Wire Line
	4950 1150 4950 2100
Wire Wire Line
	4000 1150 4000 2300
Wire Wire Line
	5150 2000 5900 2000
Wire Wire Line
	4950 2100 5800 2100
Wire Wire Line
	5800 2100 5800 3250
Wire Wire Line
	3850 2000 3850 1850
Wire Wire Line
	3300 2000 3850 2000
Wire Wire Line
	4800 1850 4800 2200
Wire Wire Line
	6350 1350 6350 1250
Wire Wire Line
	6350 1250 6500 1250
Connection ~ 6500 1250
Wire Wire Line
	6350 2750 6350 1850
Wire Wire Line
	2250 1350 2250 1150
Wire Wire Line
	2250 1850 2250 2850
Wire Wire Line
	1900 1350 1900 1250
Wire Wire Line
	1900 1250 2050 1250
Connection ~ 2050 1250
Wire Wire Line
	1900 1850 1900 2950
Wire Wire Line
	5400 2650 5900 2650
Wire Wire Line
	5900 2650 5900 2000
Wire Wire Line
	4000 2300 5600 2300
Wire Wire Line
	6700 2850 5400 2850
Wire Wire Line
	5400 2750 6350 2750
Wire Wire Line
	3500 2650 3600 2650
Wire Wire Line
	3300 2750 3600 2750
Wire Wire Line
	3300 2000 3300 2750
Wire Wire Line
	2250 2850 3600 2850
Wire Wire Line
	1900 2950 3600 2950
Wire Wire Line
	6500 1150 6500 3350
Wire Wire Line
	5600 2300 5600 3150
Wire Wire Line
	6500 3350 5400 3350
Wire Wire Line
	5800 3250 5400 3250
Wire Wire Line
	5600 3150 5400 3150
Wire Wire Line
	5400 3050 5500 3050
Wire Wire Line
	5500 3050 5500 2400
Wire Wire Line
	5500 2400 2050 2400
Wire Wire Line
	2050 2400 2050 1150
$Comp
L R R10
U 1 1 54ADA407
P 6700 1600
F 0 "R10" V 6780 1600 40  0000 C CNN
F 1 "100" V 6707 1601 40  0000 C CNN
F 2 "~" V 6630 1600 30  0000 C CNN
F 3 "~" H 6700 1600 30  0000 C CNN
	1    6700 1600
	-1   0    0    1   
$EndComp
Wire Wire Line
	6700 1150 6700 1350
Wire Wire Line
	6700 1850 6700 2850
Wire Wire Line
	4200 1850 4200 2100
Wire Wire Line
	3600 2550 3600 2200
Wire Wire Line
	3600 2200 4800 2200
Wire Wire Line
	4200 2100 3500 2100
Wire Wire Line
	3500 2100 3500 2650
$Comp
L LED D1
U 1 1 54B80D76
P 5500 5300
F 0 "D1" H 5500 5400 50  0000 C CNN
F 1 "LED" H 5500 5200 50  0000 C CNN
F 2 "~" H 5500 5300 60  0000 C CNN
F 3 "~" H 5500 5300 60  0000 C CNN
	1    5500 5300
	0    1    1    0   
$EndComp
$Comp
L LED D2
U 1 1 54B80D8E
P 6350 5300
F 0 "D2" H 6350 5400 50  0000 C CNN
F 1 "LED" H 6350 5200 50  0000 C CNN
F 2 "~" H 6350 5300 60  0000 C CNN
F 3 "~" H 6350 5300 60  0000 C CNN
	1    6350 5300
	0    1    1    0   
$EndComp
Wire Wire Line
	5400 2950 6350 2950
Wire Wire Line
	6350 2950 6350 5100
$Comp
L R R7
U 1 1 54B80E75
P 5500 6050
F 0 "R7" V 5580 6050 40  0000 C CNN
F 1 "56k" V 5507 6051 40  0000 C CNN
F 2 "~" V 5430 6050 30  0000 C CNN
F 3 "~" H 5500 6050 30  0000 C CNN
	1    5500 6050
	-1   0    0    1   
$EndComp
Wire Wire Line
	6350 5500 6350 5800
Wire Wire Line
	5500 5500 5500 5800
$Comp
L R R9
U 1 1 54B80F3D
P 6350 6050
F 0 "R9" V 6430 6050 40  0000 C CNN
F 1 "56k" V 6357 6051 40  0000 C CNN
F 2 "~" V 6280 6050 30  0000 C CNN
F 3 "~" H 6350 6050 30  0000 C CNN
	1    6350 6050
	-1   0    0    1   
$EndComp
Wire Wire Line
	5500 4900 5500 5100
Wire Wire Line
	3300 4900 3300 3050
Wire Wire Line
	3300 3050 3600 3050
Wire Wire Line
	5500 6300 5500 6400
Wire Wire Line
	5500 6400 6350 6400
Wire Wire Line
	6350 6400 6350 6300
Wire Wire Line
	6100 6400 6100 6500
Connection ~ 6100 6400
$Comp
L GND #PWR01
U 1 1 54B81068
P 6100 6500
F 0 "#PWR01" H 6100 6500 30  0001 C CNN
F 1 "GND" H 6100 6430 30  0001 C CNN
F 2 "" H 6100 6500 60  0000 C CNN
F 3 "" H 6100 6500 60  0000 C CNN
	1    6100 6500
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 54B810C6
P 5500 4700
F 0 "#PWR02" H 5500 4700 30  0001 C CNN
F 1 "GND" H 5500 4630 30  0001 C CNN
F 2 "" H 5500 4700 60  0000 C CNN
F 3 "" H 5500 4700 60  0000 C CNN
	1    5500 4700
	1    0    0    -1  
$EndComp
Connection ~ 5500 4550
$Comp
L JUMPER JP2
U 1 1 54B81152
P 5200 5300
F 0 "JP2" H 5200 5450 60  0000 C CNN
F 1 "LED1" H 5200 5220 40  0000 C CNN
F 2 "~" H 5200 5300 60  0000 C CNN
F 3 "~" H 5200 5300 60  0000 C CNN
	1    5200 5300
	0    -1   -1   0   
$EndComp
$Comp
L JUMPER JP3
U 1 1 54B81169
P 6100 5300
F 0 "JP3" H 6100 5450 60  0000 C CNN
F 1 "LED2" H 6100 5220 40  0000 C CNN
F 2 "~" H 6100 5300 60  0000 C CNN
F 3 "~" H 6100 5300 60  0000 C CNN
	1    6100 5300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3300 4900 5500 4900
Wire Wire Line
	5200 4900 5200 5000
Connection ~ 5200 4900
Wire Wire Line
	5200 5600 5200 5700
Wire Wire Line
	5200 5700 5500 5700
Connection ~ 5500 5700
Wire Wire Line
	6100 5600 6100 5700
Wire Wire Line
	6100 5700 6350 5700
Connection ~ 6350 5700
Wire Wire Line
	6100 5000 6100 4900
Wire Wire Line
	6100 4900 6350 4900
Connection ~ 6350 4900
$Comp
L JUMPER JP4
U 1 1 54B81AD2
P 6000 4000
F 0 "JP4" H 6000 4150 60  0000 C CNN
F 1 "Aref" H 6000 3920 40  0000 C CNN
F 2 "~" H 6000 4000 60  0000 C CNN
F 3 "~" H 6000 4000 60  0000 C CNN
	1    6000 4000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5750 3750 5750 4400
Wire Wire Line
	5750 4400 6000 4400
Wire Wire Line
	6000 4400 6000 4300
Wire Wire Line
	5400 3450 8300 3450
Wire Wire Line
	5400 3550 8300 3550
$Comp
L +3.3V #PWR03
U 1 1 54B81CC1
P 3700 4200
F 0 "#PWR03" H 3700 4160 30  0001 C CNN
F 1 "+3.3V" H 3700 4310 30  0000 C CNN
F 2 "" H 3700 4200 60  0000 C CNN
F 3 "" H 3700 4200 60  0000 C CNN
	1    3700 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 4200 3700 4550
Connection ~ 3700 4550
Wire Wire Line
	5400 3650 6000 3650
Wire Wire Line
	6000 3650 6000 3700
Wire Wire Line
	8300 3350 8100 3350
Wire Wire Line
	8100 3350 8100 3300
Wire Wire Line
	8300 3650 8100 3650
Wire Wire Line
	8100 3650 8100 3700
$Comp
L GND #PWR04
U 1 1 54B81E63
P 8100 3700
F 0 "#PWR04" H 8100 3700 30  0001 C CNN
F 1 "GND" H 8100 3630 30  0001 C CNN
F 2 "" H 8100 3700 60  0000 C CNN
F 3 "" H 8100 3700 60  0000 C CNN
	1    8100 3700
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR05
U 1 1 54B81E69
P 8100 3300
F 0 "#PWR05" H 8100 3260 30  0001 C CNN
F 1 "+3.3V" H 8100 3410 30  0000 C CNN
F 2 "" H 8100 3300 60  0000 C CNN
F 3 "" H 8100 3300 60  0000 C CNN
	1    8100 3300
	1    0    0    -1  
$EndComp
$Comp
L CONN_4 P5
U 1 1 54B81E71
P 8650 3500
F 0 "P5" V 8600 3500 50  0000 C CNN
F 1 "CONN_4" V 8700 3500 50  0000 C CNN
F 2 "" H 8650 3500 60  0000 C CNN
F 3 "" H 8650 3500 60  0000 C CNN
	1    8650 3500
	1    0    0    -1  
$EndComp
$EndSCHEMATC