Some random docs about my SmartHome with Home Assistant

• Monitoring Gas and Power consumption with ESPHome
• Monitoring Water consumption with ESP32-Cam
• Monitoring and control my Solvis Max Heating System via Modbus TCP
• Using Shelly1PM for controlling lights
• PixelIT Matrix Clock
• Building an air quality and temperature/air pressure sensor with ESP8266, DHT-11 (Luftdaten.info)

Documentation is here: https://smarthome.ms1.de (in german)