Hi there! I'm developing a small project to get some notification from my alarm system. All the necessary components are ready (circuit, software) except for.. the power source! The board is a ESP8266 that (I think) work @3.3v. I would like to get the best choice to power it up with a battery. T…

Best choice to power up a ESP8266 with a battery

h16bill December 13, 2019, 12:29pm 6

So how long did it run with 4 AA batteries?

I have a similar project.
Cheers
Bill