This circuit for alternating current loads has a built-in timer. SCR2 is according to the motor current and must be equipped with a heat sink. The circuit is from a 70s GE documentation.
Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to...
This random noise or white noise generator was published in Radio Electronics magazine in July...
With this circuit it is possible to control two LEDs of different colors, making their color...