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SOLID STATE RELAY

 
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user9253



Joined: 28 Mar 2008
Posts: 1288
Location: Riley TWP Michigan

PostPosted: Sat Jul 14, 2018 11:55 am    Post subject: SOLID STATE RELAY Reply with quote

My RV-12 has removable wings. There are limit switches on the 2 pins that lock the wings in place.
Originally the limit switches were wired to a form C relay. If the relay was energized, the start circuit was enabled.
If the relay was not energized, the start circuit was disabled and the normally closed relay contacts turned on a LED warning light.
Not satisfied with leaving well enough alone, I replaced the relay with MOSFET transistors. Below is a picture of the circuit.


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SOLID STATE RELAY.jpg



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user9253



Joined: 28 Mar 2008
Posts: 1288
Location: Riley TWP Michigan

PostPosted: Sat Jul 14, 2018 12:25 pm    Post subject: Re: SOLID STATE RELAY Reply with quote

After posting the schematic, I realized that the 2K2 resistor on the right side is not needed.

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