WeatherPi

Raspberry Pi based wether station

Install Process

• New image of Raspian Lite with no applications or desktop
  • Enable SSH
  • Enable I2C

Install the following

• Node.JS and NPM https://www.instructables.com/Install-Nodejs-and-Npm-on-Raspberry-Pi/ sudo apt install build-essential git first to ensure npm is able to build any binary modules it needs to install

• pip

• VEML6075 library https://github.com/pimoroni/veml6075-python

• I2S mic https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/raspberry-pi-wiring-test

• pip install sounddevice==0.3.15

• Pimoroni Enviro Libraries https://github.com/pimoroni/enviroplus-python

• Node-Red https://nodered.org/docs/getting-started/local

  Install the following Nodes

  • DHt22
  • Node-Red-Dashboard
  • node-red-node-pi-mcp3008
  • node-red-contrib-python-function
  • node-red-contrib-counter
  • node-red-contrib-bme280
  • node-red-contrib-msg-speed
  • node-red-contrib-msg-speed

On Primary Pi install the following

• Mosquito https://www.instructables.com/Installing-MQTT-BrokerMosquitto-on-Raspberry-Pi/
• Node-Red https://nodered.org/docs/getting-started/raspberrypi
• InfluxDB https://simonhearne.com/2020/pi-influx-grafana/
• Grafana https://simonhearne.com/2020/pi-influx-grafana/

Node-Red Flow

Wiring Diagram

Grafana Dashboard