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 ...

Now let’s examine the electronics of a real-world RCC SMPS. The circuit diagram shown below is an exact replica of a generic Chinese mobile phone travel charger, given here to help the analysis of ...

Here’s how it works. 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 ...

[Jordan] likes the flexibility that conductive inks offer (dead link, try Internet Archive) when putting together electronic circuits, but says that they are often too expensive to purchase in ...

Ready to reap circuit training's benefits but don't quite want to go DIY just yet ... Repeat the two circuits once more through from the top, resting for 1 minute between them.