Fancy Vandt politik make temperature watch wifi arduino cell battery rygte Merchandiser skat
Temp. And Humidity Sensor With A CR2032 For Over 1 Year! - Hackster.io
Using the SD Card | Adafruit Data Logger Shield | Adafruit Learning System
I recently finished the prototype for a battery powered ESP8266 based temperature and humidity sensor with eInk display. Currently working on a custom PCB. : r/arduino