Designed by Philips in 1968 to control the washer water level this circuit uses components from the era. The circuit actuates the water inlet valve.
This circuit is from an English publication of 1991. With it you can use a common multimeter on...
This circuit can be found in a 1970 Motorola documentation. The circuit can be implemented with general...
Delayed Pulse Generator This can be considered an "advanced" application where two 555 integrated...