We found this touch control on a Popular Electronics from 1970. The circuit makes use of an integrated of the time. It can be adapted to use modern equivalent components.
The 8038 integrated circuit consists of a function generator with outputs of three waveforms. It...
New Series is Supported by START to Optimize Software Support and Includes Rich Features in 4 KB...
This two-transistor circuit was found in American documentation from the 1990s. The circuit can use...