I got one of those battery connector thingys for a 9v battery and as you can see below it has 2 long leads that I have been able to use as probes. I touched the pots that I found last week and I’ve been able to turn the lights on but no sound which I had a bad feeling about last week. I’ve had a quick poke around with my new probe but didn’t have much success. I’ll have more time tomorrow so I’ll give it another go then.


9 volt pot probe

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