Automatic TV power off (CB5945E)

This 80's circuit turns off a TV or other appliance after a set time. The base is a 555 IC and the relay is according the supply.

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Divide-by-3 Counter - 4018 (CB165E)
To divide by an odd number‘ means not only the need for flip-flops, but some additional logic too. The...
Servo Control (CB11881E)
The presented servomotor control generates 10ms interval pulses with duration according to the...
Electronic Dice with the 4018 (CB4630E)
A recreational application of the 4018 is shown in the figure in which we have electronic dice....