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 triac power control circuit makes use of an SGS integrated circuit, which is uncommon...
Based on the operational amplifier 741 this circuit can be found elsewhere on this site. This...
This simple circuit for experimental LED sequencing is based on a multivibrator with transistors....