This circuit was obtained in a French documentation from 1981 and can be easily assembled. The analog instrument itself can be replaced by the current scale of an ordinary multimeter.
The figure shows how to connect a 7400 to obtain a bistable configuration. The circuit must be...
We found this circuit in an old English documentation from the 70s. The transistor can be a modern...
The purpose of the practical circuit shown in the figure is to generate a pulse of programmed...