Found in an Electronic Design of 1964, this circuit can control up to 20 SCRs in a trigger system powered by 24 V. The SCR supports a modern equivalent.
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...