Two strips of LEDs fading in a complementary manner, 9V Battery-operated portable unit This circuit operates two LED strips in pulsing mode, i.e. one LED strip goes from off state, lights up gradually ...

This automatic NiCd charger for 9V NiCd batteries is using 555 timer properties and is very easy to build. Why is an automatic 9 volts NiCd battery charger? Because you can leave the battery for ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

If you’re looking for a neat DIY project this weekend, then this DIY 9V Battery USB charger could be a fun gadget to create. With only a few components, including a 9V battery, a female USB port from ...

Explore how to build a DIY electric motor using simple, readily available materials in this detailed tutorial. Watch ...