High-Power Alarm Driver

In this circuit, a low-powered SCR is used to trigger a higher powered SCR. When a switch is opening (S2, S3, S4) or closing (S5, S6, S7), either SCR1 or SCR2 triggers. This triggers SCR3 via D1, D2, and R5. BZ1 is a high-powered alarm of the noninterrupting type. 

High-Power Alarm Driver Circuit Diagram


Share this article

0 comments:

Post a Comment

 
Copyright © 2019 W3circuits.blogspot.com • All Rights Reserved.
back to top