Two Questions.
Are you using rechargables at 1.2v or drycells at 1.5v?
Did you realise that the Vin you connected the batteries to then runs through a 5v reg, as this will not be high enough?
Two Questions.
Are you using rechargables at 1.2v or drycells at 1.5v?
Did you realise that the Vin you connected the batteries to then runs through a 5v reg, as this will not be high enough?