This circuit is from a 1965 General Electric hobby manual. The circuit can be assembled with sensitive reed relays.
ON Semiconductor MC74VHX1Gx Logic ICs The Mouser Electronics series 74 Logic ICs are available for...
In the figure we have a bistable multivibrator using an operational one. The circuit is from old...
This simple two transistor timer can be used to measure short time intervals. The power supply...