This circuit was found in RCA documentation from the 1980s. The circuit uses LDRs of the time and the 50 uA instrument has zero in the center. R1 and R2 may have 2k2 and R3 10k typically.
The control of the triac in this power flasher for incandescent lamps is made by a relaxation...
This interesting project was found in a 1995 documentation. It controls the temperature of the...
The MC1436 can also be used on this circuit found in Motorola's 1993 Linear Interface ICs. The...