This circuit makes use of comparators and common operational amplifiers, having been found in Motorola Linear Interface ICs of 1993. The circuit requires symmetrical source.
This circuit was found in July 1986 Radio Electronics magazine. The maximum current is 1.5 A. The...
This circuit activates 5 LEDs according to the level of the analog input signal and can be used...
This circuit is from an old American documentation and its use in motorcycles with 12 V is...