This circuit with different colored indicator LEDs has an expanded scale. We found it in the March 1992 Radio Electronics magazine. For an adjustable range of 0 to 10.5 V.
This low power audio amplifier was found at 1992s Popular Electronics. Transistors are general...
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...
June 2017 - Texas Instruments' new TPS61178x synchronized boost converters that already include...