5answers

[Others] How to trigger a low volt relay coil from 120VAC?

I have a 120VAC system that, when it switches on, needs to power a 5v board for a subsystem, such as a common shield relay. Ideally it should isolate both systems, I looked for an optoisolator 120v-&g...
  • answered Jul 30,2020
    by Joson
Ranking Name Answers
1 PCBWay Team 6
2 sisma ‎ 1
3 Tormy Van Cool 1
4 Julian Phillips 1