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--- data_collection_node_hardware [2022/11/09 15:02] – glen
+++ data_collection_node_hardware [2022/11/11 21:32] – [Water Temperature Sensor] glen
@@ Line 1: / Line 1: @@
 ====== Data Collection Node Hardware ======
+Monitoring of power outages will require battery backed power.
 ===== Requirements =====
@@ Line 11: / Line 13: @@
   * No OS to manage
-===== Hardware Evaluation =====
+===== Controller Hardware Evaluation =====
 The following boards are candidates for data collection node hardware:
 ^ Board ^ Cost ^ RAM ^ Flash ^ Net ^ IO ^ Dev Tools ^
-| [[https://www.sparkfun.com/products/13231|Sparkfun ESP8266 Thing]] | $18.50 | 32k inst/80k data | 4MB | 802.11 pnp | micro USB \\ 32 GPIO | Arduino IDE |
+| [[https://www.sparkfun.com/products/13231|Sparkfun ESP8266 Thing]] | $18.50 | 32k inst/80k data | 4MB | 802.11 pnp | micro USB \\ 32 GPIO \\ I2C \\ SPI \\ UART \\ | Arduino IDE |
+| [[https://www.sparkfun.com/products/13907|Sparkfun ESP32 Thing]] | $23.50 | 520k | 4MB | 802.11 | micro USB \\ 28 GPIO \\ I2C \\ SPI \\ UART \\ | Arduino IDE |
+| [[https://www.sparkfun.com/products/20173|Raspberry Pi Pico W]] | $6.00 | 256k | 2MB | 802.11g | micro USB (host+dev) \\ 26 GPIO \\ 2 SPI \\ 2 I2C \\ 2 UART \\ 3x12 ADC | RPI Linux |
+| [[https://www.sparkfun.com/products/18713|Raspberry Pi Zero 2 W]] | $15.00 | 512MB | 4MB | 802.11 b/g/n | micro USB \\ mini HDMI \\ GPIO \\ I2C \\ SPI \\ UART | RPI Linux |
+| [[https://www.sparkfun.com/products/19696|Sparkfun Thing Plus DA16200]] | $34.95 |  | 512MB | 802.11 b/g/n | USB-C \\ QUIC \\ 16 GPIO \\ I2C \\ SPI \\ 2 UART \\ 12 bit ADC |  |
+===== Sensors =====
+==== Air Flow Sensor ====
+This sensor is used to monitor air flow in HVAC ducts.
+Part: [[https://www.sparkfun.com/products/18377?_ga=2.49502561.699155336.1668005513-765672591.1668005513|SparkFun Air Velocity Sensor Breakout - FS3000-1005 (Qwiic)]]
+  * $59.95
+  * QUICC
+  * Arduino library
+  * 0-16mph, 12-bit resolution
+==== Current Measurement ====
+This sensor is used to measure device usage (like an EV charger) and also to detect when a device is running (HVAC unit).
+Requirements
+  * Non-intrusive
+  * 120v, 240v
+^ Device ^ Cost ^ Max Current ^ Notes ^
+| [[https://www.digikey.com/en/products/detail/carlo-gavazzi-inc/CTV1X60A333MV/15290124| Digikey Current sense transformer CTV1X60A333MV]] | $56.00 | 60A | snap on, no lead |
+| [[https://www.sparkfun.com/products/11005 | Sparkfun Non-Invasive Current Sensor - 30A]] | $10.95 | 30A | snap on, lead with 3.5mm audio connector |
+==== Water Temperature Sensor ====
+This sensor is intended to measure temperate of a pool.
+Requirements
+  * Submersible
+  * I2C
+[[https://www.sparkfun.com/products/11050|Temperature Sensor - Waterproof (DS18B20)]]
+$10.95
+-wire interface
+==== Ambient Temperature/Humidity Sensor ====
+Used to monitor ambient temperature and humidity, especially in HVAC vents to help monitor HVAC health.
+Component: [[https://www.sparkfun.com/products/16298|Qwiic Pressure/Humidity/Temp (PHT) Sensor - MS8607]]
+  * $19.95
+  * QUICC
+  * Arduino library
+  * +/- 1degC
+  * Pressure, temperature, humidity