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.
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...
This circuit was found in a Hands-On Electronics. Some restrictions must be considered as the need...
This circuit was found in a 1987 magazine. It measures the resistance of the skin using a...