This analog instrument circuit was found in a 1990s William Sheets. The components are common and are only suitable for cars with mechanical switching (platinum).
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...
This circuit is based on an operational amplifier that must be powered by a symmetrical source. The...
This circuit is from an old American documentation using LEDs in the rectification. The circuit...