This old automotive circuit was found in an August 1971 Radio Electronics magazine article. The transistor is a Darlington transistor rated for the wattage of the bulb.
This circuit is suggested by the National Semiconductor (Now Texas Instruments) and is based on a...
This optical coupler for short distances is powered by 12 V which is the voltage of the lamp and...
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...