Digital Volt Meter / Probe
thingiverse
When I was in college, I utilized a digital logic probe that resembled a pencil. I had come across a compact and affordable digital volt meter on eBay at http://www.ebay.com/itm/Mini-DC-0-100V-Red-LED-3-Digital-Display-Voltage-Voltmeter-Panel-Motor-/381375100070?hash=item58cbba34a6:g:dtcAAOSwo8hTmvxX. I pondered why not integrate this small device into the design of the logic probe, and here is what I created. Enjoy! Note: For the probe tip, I employed a small piece of 12-gauge copper wire, and for power, I used an 18650 nickel metal hydride battery. I designed this project with DesignSpark Mechanical at http://www.rs-online.com/designspark/electronics/eng/page/mechanical. Have a great day! Robert KB3LNN
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