Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I have been playing with that but once the circuit is energized voltage drops out I believe. What would the rest of the circuit look like in your mind?
No - this is the circuit to a ignition system basically. The key switch is being replaced with a key card reader - want to use the run switch to turn on the reader and then that will energize the power relay but the run switch must stay on as well.
I am trying to detect when a switch is closed to trigger a relay that will then power the circuit. I cannot seem to utilize the switch for the dual purpose.
I have a power relay (12v) that is before a switch that then turns on relays. I want to turn on the power relay when I detect the...
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