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-rw-r--r--slides/what-is-iot.md67
1 files changed, 51 insertions, 16 deletions
diff --git a/slides/what-is-iot.md b/slides/what-is-iot.md
index 341e4d4..edc3940 100644
--- a/slides/what-is-iot.md
+++ b/slides/what-is-iot.md
@@ -53,38 +53,36 @@ What differentiates a computer from an IoT device?
* CPU
* Network bandwidth and/or latency
* Storage
-* Connected
+* Has connectivity
* Bluetooth
* Wi-Fi
* NB-IoT
* LTE Cat-M
-<!-- -->
- * IR
- * UART
- * CAN
+ * LoRA
+ * Proprietary radio
::: notes
+* IR
+* UART
+* CAN
+Sparkfun and Adafruit etc sell modules with all of these technologies.
:::
-## Typical IoT chips - Bluetooth 4/5
+## IoT Devices - Bluetooth 4/5 chips
-!comment
-~~~
-~~~
Chip CPU Freq RAM Flash Price
-------- -------- ---- -------- ------ ------
nRF52810 Cortex-M4 64 MHz 24k 192k $1.88
-High performance, entry-level Bluetooth 4/ANT/2.4GHz SoC
-
nRF52832 Cortex-M4F 32k 256k $2.54
64k 512k $2.59
-High performance Bluetooth 4/ANT/2.4GHz SoC
-
nRF52840 Cortex-M4F 256k 1024k $3.85
-Advanced multi-protocol System-on-Chip Supporting: Bluetooth 5, ANT/ANT+, 802.15.4 and 2.4GHz proprietary
+
+* nRF52810: High performance, entry-level Bluetooth 4/ANT/2.4GHz SoC
+* nRF52832: High performance Bluetooth 4/ANT/2.4GHz SoC
+* nRF52840: Advanced multi-protocol System-on-Chip Supporting: Bluetooth 5, ANT/ANT+, 802.15.4 and 2.4GHz proprietary
::: notes
@@ -96,9 +94,45 @@ nRF52832: these have different packagings, not only difference price
https://www.digikey.no/products/en/rf-if-and-rfid/rf-transceiver-ics/879?FV=1c0001%2Cffe0036f&quantity=3000&ColumnSort=1000011&page=1&k=nrf52832&pageSize=500&pkeyword=nrf52810
+nRF52810: High performance, entry-level Bluetooth 4/ANT/2.4GHz SoC
+nRF52832: High performance Bluetooth 4/ANT/2.4GHz SoC
+nRF52840: Advanced multi-protocol System-on-Chip Supporting: Bluetooth 5, ANT/ANT+, 802.15.4 and 2.4GHz proprietary
+
+:::
+
+## IoT Devices - LoRA
+
+### Modules
+
+Module Data Rate Price
+----- --------- ------
+RN2483A-I/RM104 $12.05 @ 250
+CMWX1ZZABZ-078 SX1276 $10.74 @ 1000
+RF-LORA-868-SO SX1272 $16.55 @ 1000
+
+### Chips
+
+Chip Price
+---- -------
+SX1281 $3.23
+SX1272 $4.25
+SX1276 $4.25
+SX1279 $4.74
+
+::: notes
+
+These modules require an external MCU, so does the chips.
+
:::
-## Typical IoT chips - Wi-Fi
+## IoT Devices - NB-IoT
+
+Module Price
+------ -----
+uBlox SARA-N210 ~$10 @ 100
+Sierra Wireless HL7800_1103933 $15.72
+
+## IoT Devices - Wi-Fi
Chip CPU Freq ROM RAM Price
----- ------- ------- ----- ------ ------
@@ -305,7 +339,7 @@ Version 3.1.1 er den som gjelder, V 3.1 er rar, de andre finnes ikke (før stand
## MQTT - The protocol
-Agents have one of two roles:
+Agents have one of two roles:
* *Client*
* Publishes *messages*
@@ -501,6 +535,7 @@ In between are:
## Assignment 1: Blink a led
+
## Assignment 2: Connect to Wi-Fi
## Assignment 3: Connect to MQTT broker