Temperature and humidity sensor - BME280; Air Quality CO2 (optional) - SCD41
Microcontroller firmware - Arduino Framework (C++, PlatformIO); compatible with ESP8266 and ESP32
Create and upload your own design through the web panel
Autonomous mode - the device wakes up every 10 minutes (default) and updates the screen. A 2000 mAh 18650 battery lasts for several months
Optional partial update mode for the clock area - every 1-2 minutes. Power consumption will slightly increase depending on the interval
Sensor data transmission via MQTT, receiving data from an external sensor through Home Assistant, Domoticz or by location from API Open-Meteo, OpenWeatherMap
Select a list of components and assemble according to the scheme