Found in a 1966 General Electric documentation, this dimmer should only be used with incandescent lamps. The Triac is according to the power of the lamp.
Mouser Electronics is now offering a reference design board from ST Microelectronics STEVAL-WESU1...
Two NAND gates are used in the configuration shown here to perform as a monostable triggered by...
This circuit counts from 1 to 10 or 0 to 9 using as indicators common LEDs. The circuit can be...