daniedp76
New Member
Hallo I am a hobbyist only Not a designer.
I need a circuit to incorporate into this one to do the following:
- when 12v dc power supply is on a led for power supply must on and a led for the battery must be off.
-when 9v battery kicks in a led for the battery must be on and a led for the power supply must be off.
-when power to the power supply is returned the process is in reverse.