Silly question,
I have a 3v pro mini running on 2x1.5v batteries......this works perfectly well.. however i have tried to add in a "DC-DC Step Up Boost Module 3v3" if i add this to the circuit the pro-mini does seem to turn on but the D13 Led keeps flashing on and off and it does not seem to initialise the radio with a lot of fail messages in the serial monitor.
I do come from a programming background and lets just say im not the best at the electronics side, but im getting there...At the moment i just added the boost module on its own,,,,do i need capacitors?
Many Thanks in advance
Lee