With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
This is my homemade polarity and continuity tester (max. 14 volts) I used : 2x Bright Leds 1x Resistor (depends on leds and voltage) and some wires Circuit ...
Modern Continuity Testerby braulio777
Exploding Star Color Organ-Castilleja Schoolby 16kgupta
Simple and Easy LED Testerby MrSTUDofRC
Pocket size 5in1 electronics testerby tgferreira184
Convert your halogen desk lamp into a LED lampby Makersteve
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.