Figure 1    Dark-activated SCR.
Figure 1 Dark-activated SCR.

 

 

The potentiometer in this circuit must have between 2 and 5 times the resistance of the sensor under normal operating conditions (without light). This potentiometer adjusts the trigger point of the circuit. The points discussed in the previous block about circuit operation are also valid here.

 

 

 

 

Datasheets


N° of component