This circuit was found in the January 1991 issue of Radio Electronics magazine. The circuit uses integrated circuits of the time and the coils depend on the tuned bands.
This traditional 555 touch bistable configuration has already been explored in projects on this...
July 2016 - It can be obtained from Mouser Electronics new trinkets Adafruit. These trinkets are...
This circuit was found in the June 1990 issue of Radio Electronics magazine. Integrated circuits must...