We found this circuit in a Japanese 1968’s documentation. The circuit makes use of transistors from that country common at the time of publication. Observe the symmetrical power supply for the circuit.
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...