Electronics Area – Electrical and Electronics Tutorials and Circuits

 

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Electrical and Electronics Tutorials and Circuits


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Recent posts

12V to 24V Converter Circuit

This 12VDC to 24VDC step up converter is very useful to power devices that run on 24 VDC when we have a 12VDC voltage source as it could be a car battery or alike.

Battery Charge Monitor Circuit with LM3914 IC

Battery Charge Monitor Circuit with LM3914 IC

This battery charge monitor shows, with colored LEDs, the charging process of a typical 12-volt car battery using the LM3914 Dot / Bar Display Driver.

Audible Continuity Tester

This continuity tester with buzzer works on live circuits. Very important, as common continuity testers are used with the power source disconnected.