This circuit with the ULN3784B appeared in the October 1984 issue of Radio Electronics magazine. It can typically be powered from 9 to 24 V.
This simple circuit produces pulses delayed in times set by the resistor in series with C on the...
This circuit was published in the Ideas section of Radio Electronics magazine in August 1983. The...
In the figure we have the receiver of a sequential remote control operating at a frequency in the range of...