This circuit appeared in the 1991 Electronics Experimenter Handbook. The circuit is for remote controls of the time that are slower than today's and may not work with modern types.
This FM transmitter was found in a 1997 magazine but can still be easily assembled. 18-wire in the...
Other operational amplifiers can be used in this conventional filter that rejects only one...
This fuzz guitar circuitry was found in an American documentation from the 80's. Transistors can be...