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Homemade Electronic Cutter Touch-down Detector

Electronic Cutter Touch-down Detector

Rick Sparber on
Homemade electronic edge finder featuring a continuity checker design. Detects the resistance at the cutter and workpiece point of contact. LED lights and piezoelectric beeper activate when the cutter touches down. Device is powered by a 9v battery. Probe clips incorporate Neodymium magnets.
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