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 circuit is suggested by Texas Instruments' Linear Circuits Applications. It consists of an...
What is the voltage of a zener diode recently removed from the scrap box and without any markings? If...
This 5-band function generator circuit was found in the April 1994 Electronics Now magazine. The...