This alarm with automatic shutoff was found in the April 1975 Radio Electronics magazine. The activation time is given by C1 and R3. The alarm uses series and parallel sensors.
September 2016 - Mouser Electronics is offering the new oscillator clock PECL series PE55K of the...
This symmetrical limiter or reaper circuit is based on a zener diode. Voltage drop across common...
This circuit was found in the August 1994 issue of Electronics Now magazine. The 4046 is uncommon...