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Re: Testing for the presence of a diode in parallel with a load
Posted to Technical Discussion Forum on 9/5/2011

I used a capacitor and a diode to capture the voltage spikes from the relay coil on turn-off. As you see from the picture, about 80V from that little relay. When you short across that 470uF capacitor, there is a very satisfying snap. [Making voltage.] [Capacit... Login to read more.

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