This circuit from a 1966 General Electric manual makes use of an SCS. The time is given by the emitter capacitors of the unijunction transistor.
This circuit is from an American publication about old neon lamps. The circuit is leak proof and...
This amplifier is ideal for those who have an old tape player and want to recover recordings on...
In addition to producing a pulse sequence on the LEDs, this 1986 circuit also produces a tone...