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 low Power output stage can source a fraction of watt to a small loudspeaker. The transformer...
This circuit uses a triac to detect the level of a reservoir, and a sensitive SCR connected to the...
EZP-Q metallized polypropylene capacitors from Panasonic's can be purchased from Mouser...