These files provide Arduino code for ATTiny85 battery powered sensor hardware. Tasmota can receive and decode them when defines USE_RF_SENSOR and USE_THEO_V2 are enabled TheoV2Sensor1 - Light and Temperature Uses BH1750 and DS18B20 Uses 1 x 3.6V Lithium battery lasting at least 3 years See https://sidweb.nl/cms3/en/projects/mcs51/attiny85-lichtsensor TheoV2Sensor2 - Temperature and Humidity Uses DHT22 Uses 3 x AAA battery lasting at least 3 years See https://sidweb.nl/cms3/en/projects/mcs51/vocht-en-tempsensor