- Grab some Wemos D1 Mini (or compatible) and some D11/22 & relay shields.
- Install node-red.
- Install InfluxDB (optional)
- Install Grafana (optional)
- Download: https://www.arduino.cc/en/Main/Software?
- Add this Board Manager URL via Preferences: http://arduino.esp8266.com/stable/package_esp8266com_index.json
- Go to Tools->Board->Board Manager, find "ESP8266 Community" and install
- Go to Sketch->Include Library->Manage Libraries-> find "Adafruit Unified Sensor","DHT sensor library" and "PubSubClient"
- Tools->Boards->Wemos D1R2 & mini
- Tools->Port-> TBD
- Grab the Arduino sketch
Grafana Dashboard