PCB design files (KiCad) for DYI room conditions monitor.
- ESP8266 wifi connection & brain
- SHT21 - temperature and humidity sensor
- BH1750 - light intensity sensor.
All sesnors communicate via I2C bus. Data are sent to a MQTT broker. ¯
A repository with firmware is also available on github.
More information can be found in this series of blog posts:
There is also another project for a remote MQTT display for measured data: