This electronic rheostat with SCR was found in the June 1964 Radio Electronics magazine. The SCR may be a modern type and the 2W potentiometer may be 470 ohms.
Using transistorized regulators with NPN and PNP transistors we can create a symmetrical source of...
Mouser Electronics is stocked with Texas Instruments SWIFT Step Down TPS54824 Synchronized Power...
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...