light sensor

Light Fence with LDR

This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part…

54 years ago

Dark and Light Activated Relay

This is the basic dark and light sensor which using photoresistor as sensing component. The transistor act like as a…

54 years ago

Color Detector

This is the color detector / sensor circuit diagram. This circuit will sense eight colors that are: green, red and…

54 years ago