Connect Datalogger AZ-7788 to MQTT
Connect Eastron energy meters (SDM220, SDM230, SDM630) to MQTT
release in the box:
How do disable CPU and put it into deep sleep mode. It needs for debug ESP-14
connect temperature/humidity/light/pressure to MQTT.
HDC1080 - temp + humidity, BMP280 - pressure + temp, BH1750FVI - light, ESP-14 - cpu (ESP8266 + STM8003)
ESP-14 info https://esp8266.ru/forum/threads/esp-14-chto-ehto.531/
STM8 sensor reading part https://bitbucket.org/hrandib/esp-stm8-sensors
Air quality monitor. Code here
It measures parameters: