I have a Nano project that works fine when powered from the usb port but I can't seem to find a battery that will work. My latest attempt is two 4000mah batteries in series connected to the vin/ground pins. The project includes a dfplayermini mp3 player, an hw-104 amp and a hall effect sensor. wh…

[SOLVED] Powering arduino Nano from a battery

UKHeliBob March 20, 2024, 7:21am 3

Welcome to the forum What is the voltage of the two batteries ?

Topic		Replies	Views
[SOLVED] Powering Nano and DFPlayer Mini with batteries or any power from 5v Motors, Mechanics, Power and CNC	11	3100	May 6, 2021
Arduino nano does not work with battery General Electronics	10	1420	August 7, 2022
DFPlayer power source issue. Audio	3	1518	May 6, 2021
Current advice, Nano General Guidance	11	1222	May 5, 2021
Sufficient power source? General Guidance	2	536	May 5, 2021