Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

Making PCBs at home is a great means to get your prototype up and running without having to wait weeks for a professionally made board. Regardless if these prototype boards are milled or etched, they ...

How much do you know about your circuit breaker box or electrical panel? This video covers common mistakes related to circuit ...

If you´ve ever wanted to learn about building your own effects pedals but don´t have a clue where to start, the Beavis Board kit could give you a leg-up into the world of circuit diagrams, ...

This diy digital thermometer circuit can measure temperatures up to 150°C with an accuracy of ±1°C. The temperature is read on a 1V full scale-deflection (FSD) moving-coil voltmeter or digital ...