Electronic Control

This the circuit delays light switch for AC line 220V Lamp. It can turn on -off lamp get with Sw OFF and SW ON. Besides can delay Off lamp get about 5 minute. By the circuit within use digital CMOS IC and Triac for control AC lamp replace Relay [...]

It is the circuit delays like model easy onely. It use control 3Volt electric small-sized fans because of apply to battery 3V or AA CELL 1.5V x 2. When press SW1 the system delays to begin the work. It make the electric fan turns the one period of time. The circuit [...]

Reverse engineered circuit diagram of another commercial LED night light. This one has a photocell to turn the light off during the day. It also uses light pipe techniques to make the little LED look like a larger lamp. The photocell circuit has hysterisys so that for all intensive purposes the light is always either [...]