Has it happened to you - you're troubleshooting a powered-on board with your multimeter and the probe slips... ZAP! Noooo! Burnt components and magical smoke gone!

Use the heatshrink tubing in your parts bin to insulate everything but the tip of your meter probes. Unless you're pushing your probes into electrical outlets there's really no reason for that much metal to be exposed.

This won't prevent every probe slip accident but it will surely reduce them. A small investment of your time beats the heck out of tracing which parts you destroyed and then trying to source replacements.
lol it sure has happened to me!!

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Bio: You know, I think we're all Bozos on this bus
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