This circuit was obtained from a 1966 General Electric documentation. It can serve as a basis for demonstrations of how to decode segments of a display using discrete components.
The purpose of this circuit, which we found in the November 1986 Radio Electronics issue, is to...
The voltage regulator integrated circuits of the 78XX series can be found with voltages from 5 v...
In the figure we have the way to use a low-cost digital clock chip to trigger an alarm. The...