Instead of simply replacing the outdated bulb, we decided to build a small ... circuit, we took the project one step further by incorporating an Atmel ATtiny13 microcontroller. The code switches ...

LED bulbs are more efficient than older incandescent or fluorescent bulbs, and can save you significant money. But why do ...

Experimenting with batteries, bulbs, buzzers, switches and other electrical components is a great way to learn about circuits and start to think about ... to explain how to activate a switch? How big ...