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.
Found in Popular Electronics this circuit will trigger a buzzer if the ignition key is removed...
Found in the July 1968 Supertena Bulletin of a Popular Electronics, this receiver makes use of the...
This common metronome configuration has already appeared in several of our articles and projects. This...