Suggested by a Philips documentation from 1970, this circuit uses period components, operating at 50 Hz. The current consumed is 10 A and the input voltage is 12 V.
This circuit for counting down pulses was found in the September 1983 issue of Radio Electronics...
This circuit was found in a National Semiconductor manual that is now a Texas group company. The...
In the figure we show our first circuit that consists of a simple touch switch capable of driving a...