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.
This is the circuit for the HM-10ª, an instrument sold by Heathkit. The circuit is from a Radio...
This circuit indicates when the monitored voltage drops below the value determined by the divider...
This circuit, from a 1975 Motorola manual, uses a power Darlington transistor of the time. We can...