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Re: Adding external relay control two V2/V3


 

Adding this little circuit to my second, V2 sbitx. ? as luck would have it the first Opto coupler board was defective. Had to build a 2nd one — but works well now
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I learned here how to get the cool little handheld device that checks out semiconductors. ?What a fantastic device!!! ?I bought one of those hundred for $8.00 2N7000 assortments from Amazon,…. and only about one out of five is actually a MOSFET!!?


Gordon kx4z?

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