This simple digital circuit tester can work with TTL technology when powered by 5 V and with CMOS when powered by voltages from 3 to 15 V. The circuit provides LED indications and uses current ICs.
This circuit is used to test an inductor (coil) allowing the observation of its opration in an R-L...
Suggested by an Electronic Engineering of the 90s, this circuit serves to test the continuity of...
This circuit uses a small photocell to trigger an auxiliary flash. The circuit is from a 1991 PE...