This high voltage circuit was found in a 1970 documentation. The integrated one is of the time and modern equivalents can be tested. The resistors of the voltage reducing system must be calculated.
In this game, whoever tightens the sensors, which are metal bars or spent batteries, makes the...
This two input simple mixer uses two transistor and can b e upgraded to more inputs. Input...
This circuit is from a 1987 American publication called Electronics Handbook. The circuit can be...