This circuit is from an article that teaches how to assemble it in the magazine Electronics Now from July 1993. It uses a liquid crystal display module from the time with 3 and a half digits.
Author: Newton C. Braga Published:July 5, 2016 Formato:Book and e-Book Pages:...
This circuit can be used in alarms by activating a relay or a current load that depends on the...
This circuit for the 1.5 to 15 V scaled ranges was found in a 1982 documentation, but uses current...