wiki:PreampBatteryPower

This is a simple +/-5V low-dropout regulator board designed to provide regulated +5V and -5V from two 6V rechargeable batteries, at up to 1A.

Design Files

 supply_sch.pdf

 supply_pcb.pdf

WARNING! Positive input trace on left side of the board shorts to the on/off switch which is grounded. Solution is to either solder the on/off switch slightly off the board, or to place a piece of non-conductive tape over the trace that runs under the switch.