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

Topic		Replies	Views
Circuit to swap to battery power Development	13	7307	May 6, 2021
Adapting a low voltage cutoff circuit General Electronics	4	3722	May 6, 2021
Software Shutoff Interfacing	7	2218	May 6, 2021
Self power down function. General Guidance	13	6232	May 5, 2021
Low power cut off General Guidance	13	1954	May 5, 2021