Found in an EDN from the 90s, this circuit makes use of integrated circuits of the time, some of which are uncommon today. The output is given by:
Where:
This circuit only detects variations in light falling on the sensor. The circuit uses an LM380 as a...
This is the well-known lightning lamp that was published in the March 1988 issue of Saber...
This photoelectric cell light relay was found in Radio Electronics magazine from April 1958. The...