We found this circuit in an Electronics Now from the 1990s. The circuit crashes when light strikes the sensor. Instead of the alarm a relay can be used to drive higher power devices.
This 60 V High Side bidirectional sensor was found in a 2005 Linear Technology handbook. The...
The purpose of the circuit of the figure is to control a servomotor remotely using a simple signal...
What this circuit does is change the logic level of a signal thus serving as a different logic...