Found in documentation from the 1980s, this circuit can have several adaptations to use modern transistors and LEDs instead of the lamp. The power supply voltage can also be changed.
This 3-transistor timer was found in the January 1994 issue of Electronics Now magazine. The...
This Dimmer circuit for incandescent lamps was found in an English documentation. The input...
With this circuit we can use a high impedance source to excite a low impedance output. The input is...