This circuit was found in the January 1999 issue of Electronics Now magazine. The turn-on time is given by the capacitor and MOSFET and must be in accordance with the controlled load.
This car alarm was obtained in a Signetics documentation from the 1980s. The circuit uses the 555...
The frequency of this circuit can be varied from zero. The circuit uses the CMOS 4046 and was...
This simple binary counter triggers two LEDs according to the number of pulses applied to the...