SP Electron Electronic Continuity Tester with LED Indicator - AA Battery Powered Circuit Tester for DIY Electronics, Home Repairs & Electrical Projects

$81.95

$149

Safe 45%

SP Electron Electronic Continuity Tester with LED Indicator - AA Battery Powered Circuit Tester for DIY Electronics, Home Repairs & Electrical Projects

SP Electron Electronic Continuity Tester with LED Indicator - AA Battery Powered Circuit Tester for DIY Electronics, Home Repairs & Electrical Projects

$81.95

$149

45% Off

Delivery & Return: Free shipping on all orders over $50

Estimated Delivery: 10-15 days international

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SKU: 30221779

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Description

To build an electronic continuity tester with an indicator LED powered by a AA cell (1.5V), you can create a simple circuit using a few basic electronic components. Here’s a step-by-step guide to create such a circuit:

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Features

Connect the positive terminal of the AA battery holder to one end of the resistor.

Connect the other end of the resistor to the anode (longer lead) of the LED.

Connect the cathode (shorter lead) of the LED to one of the test probes.

Connect the other test probe to the negative terminal of the battery holder (ground).

When you touch the test probes together, the LED should light up if there is continuity (a closed circuit).

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