The purpose of this heat detector is to find hot spots on a board or other locations. The sensor is an integrated circuit from the period. The circuit is from Radio Electronics from May 1985.
This basic circuit was found in RCA / GE documentation from the 90s. In it we have the way to...
The ICL8038 is a function generator that appears elsewhere on this site in various applications. The...
We found this voltmeter in a 1977 Radio Shack documentation. The integrated circuit can be the...