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--- data_collection_node_hardware [2022/11/10 15:50] – [Sensors] glen
+++ data_collection_node_hardware [2022/11/18 22:04] (current) – [Controller Hardware Evaluation] added rp2040 glen
@@ Line 1: / Line 1: @@
 ====== Data Collection Node Hardware ======
+Monitoring of power outages will require battery backed power.
 ===== Requirements =====
@@ Line 15: / Line 17: @@
 The following boards are candidates for data collection node hardware:
-^ Board ^ Cost ^ RAM ^ Flash ^ Net ^ IO ^ Dev Tools ^
+^ Board ^ Cost ^ RAM ^ Flash ^ Net ^ IO ^ Notes ^
-| [[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/18288|Sparkfun Pro Micro RP2040]] | $10.95 | 264k | 16MB | 802.11 | USB-C (host/device) \\ QWICC \\ 4x12ADC \\ 30 GPIO \\ I2C \\ SPI \\ 2xUART \\ | MicroPython, C/C++ |
+| [[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 |
@@ Line 23: / Line 26: @@
 ===== 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 ====
@@ Line 31: / Line 55: @@
   * Submersible
   * I2C
-==== Ambient Temperature Sensor ====
-Requirements:
+[[https://www.sparkfun.com/products/11050|Temperature Sensor - Waterproof (DS18B20)]]
-  * Measure ambient temperature remote from board (insert into duct work for example)
-  * I2C
+$10.95
+-wire interface
-This may be as simple as something like a TO-92 based package wired to the board.
+==== 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