We found this circuit in the October 1996 Electronics Now magazine. The circuit uses LDRs as sensors and drives relays. The relays must have voltages according to the power supply.
This circuit was found in the 1990 Motorola Dataar Linear. We can mount it with more modern...
The LM150, 250 and 350 series of 3 A are manufactured by several semiconductor industries that...
There are several manufacturers of the TL061. The configuration given specifically was taken from...