ESP8266 Power Supply: Running wifi sensors from a LiPo cell

As I showed with the Long Term data logger test you can run an ESP8266 for almost three months and post temperature and humidity every 10minutes to the [...]

ESP8266: Long Term Data Logger Test with Batteries

Today I started a (hopefully) long term battery test with the ESP8266 board I reviewed here. The conditions are: powered by 3 AA batteries (serial) every [...]