Found in an American magazine from 1968, this circuit produces pulses free of bounces on its output. The integrated is of DTL logic, no longer used today.
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...