Hello all, I would like to built power supply board for my arduino, there must be include battery backup supply. Thats why I decided to use simple gate of two diodes to select which supply is active ( higher of course :slight_smile: Second task is to protect SLA battery from under-voltage. So my …

Battery under-voltage cut-off TTL control

system April 18, 2014, 9:40am 5

Hello,

nobody can help out?