Found in a 1965 General Electric Hobby Manual, this timer was originally created to operate with photo magnifiers of the time. The circuit can be adapted for other purposes.
This circuit will trigger a buzzer with an oscillator if the ignition key is removed with the...
This TTL generator that can function as a control shield or external clock for microcontrollers was found in...
This circuit generates signals of various frequencies and waveforms, making it useful on the...