This is a simple voltage tester for voltages from about 2V to about 15V with the indicated resistor and red LEDs.
ON Semconductor FFSP0665B 650V 6A SiC Schottky Diodes Available through Mouser Electronics, these...
This simple neon lamp power indicator circuit was found in the January 1971 Radio Electronics...
May 2017 - New sequencers UDC9090A for monitoring up to 10 power supplies from Texas Instruments...