Hi guys, just a short article about a light dimmer switch that I opened a few days ago. I wanted a way to adjust the speed of a 220V fan and a friend of mine told me that I can use a regular and cheap ...

This is a simple clap switch circuit with high sensitivity. The only unusual component is the single coil latching relay. While there are numerous means of generating the latching function, the ...

Light bulb. Wire. Open switch. Closed switch. Buzzer. Horrible Science fact. It's all well and good having a perfect, simple circuit but it it includes a switch, ...