In the figure we have the basic way of using the 3-and-a-half-digit counter 7107. The circuit is from an Electronics Now from November 1996. It uses two dual displays.
Found in an American documentation from the 90s, this sophisticated circuit is suitable for...
In the figure we have the way to make the connection of voltage regulators in series to obtain a...
Using the ULN-3784B this circuit typically supplies 5 W at 24 W. However, it can operate from 9 V....