staylor97_
- Oct 18, 2018
- 3
- Joined
- Oct 18, 2018
- Messages
- 3
Hi, i wish to develop a simple power supply that can convert ac signal to a dual polarity dc output. I want this to be a cheap but effective power supply which could be used to show where a switch is on a wall, via a light, or to indicate whether or not a power switch is on or off. Any ideas?