This automotive circuit was obtained from an 80's schematic from the integrated circuit factory itself. The voltage regulator is still common, but the operational amplifier is of the time.
This circuit was found in a Electronics Handbook (1989). The shown amplifier provides a few...
This circuit was found in the October 1993 Electronics Now magazine. The output transistors form...
Several types of OSEPP sensor modules can be obtained from Mouser Electronics for Arduino...