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Old 06-05-2012, 06:57 AM   #1
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Electrical Project Help


I am trying to make something that I think will be basic for most electricians but not for me and need help/advice (in layman's terms).

The project involves a low powered circuit with a sensor/switch that when pressed will reduce power to a solenoid, unlocking something. When the sensor/switch is not touched the solenoid will revert back to its default "locked" state.

I have the switch/sensor and I'm sure I can find the correct type of miniature solenoid, but what else would I need to use exactly and what would connect to where?

Sorry for what is probably a completely basic or stupid question, but I'm likely to bodge this up with getting advice first!



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Old 06-05-2012, 07:33 AM   #2
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Electrical Project Help

You need a power source for the solenoid. The type depends on the solenoid lock.
You should use a solenoid the fails locked. That means when power if OFF it is locked. Otherwise the solenoid will likely heat up from being under power constantly.


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