Easily Find PCB Traces

You'll be kicking yourself in the nether-regions if you've (like me) spent cumulative hours slowly tracing PCB circuits for the next component or point in the signal path. The solution shown here by EndTuning expedites the process by magnitudes, using a simple splayed audio lead which covers a far greater spread than a single contact point. Genius! It's probably what the kids are calling a life-hack. Worth nothing you should be careful when tinkering with electronic equipment, and should seek professional help if you're not sure what you're doing. 

A similar trick was used in this video to play multiple notes on the 64 Pixels Le Strum...  its bigger sibling, the LE GRAND STRUM was released a few years back. 

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