Reply to "Protection against voltage spikes"

Rod StewartOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

I just wanted to report on a successful tester build using RTR12's DipTrace files, which he graciously made available. The boards are about $1.20 a piece from OSH Park. I built the thru-hole version using parts in my supply bins. Thanks to Tom; he did all the heavy lifting on this one!

Attached a couple of pix of the tester I just today assembled and tested. Works perfectly, as expected!

I had to drill the strain relief holes out to 9/64” to accept the test lead wires I had on hand. No big deal.

I am glad the board is no smaller than it is; it might get lost in the parts box otherwise! Haha.

Thanks Tom and the other contributors to this topic; and Stan for the original idea and circuit.

Rod

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