Search found 2 matches
- Wed May 11, 2005 9:36 am
- Forum: General Discussion
- Topic: Driving a relay from a 3V AC signal
- Replies: 8
- Views: 4325
Re: Driving a relay from a 3V AC signal
The 3VAC source is used to switch on a gas fireplace. The purpose of this project is to automatically raise a projector screen when the fireplace is turned on. Also, I need to make sure you can't lower the screen if the fireplace is already running. It's my understanding that the 3V is generated fro...
- Tue May 10, 2005 3:17 pm
- Forum: General Discussion
- Topic: Driving a relay from a 3V AC signal
- Replies: 8
- Views: 4325
Driving a relay from a 3V AC signal
I have a low voltage signal (3VAC) that I'd like to use to the trigger some relays that will be switching 110VAC. I need to isolate the low voltage from the 110, so I'll be using an opto-isolated relay board. I'm curious what would be the simpliest way to generate the TTL level signal that I need to...