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 can function as a simple shield converter from BCD to analog outputs. The circuit...
This circuit was found in the December 1992 Radio Electronis magazine. R2 is an NTC, there is a...
We found this circuit in an 80's manual. The same configuration can be adapted to make use of...