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 is not very common today. It is a circuit that generates signals of...
Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of...
January 2017 - Now available on Mouser Electronics, Texas Instruments' new LDC2114EVM Evaluation Module...