light sensor

Light Fence with LDRLight Fence with LDR

Light Fence with LDR

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

55 years ago
Dark and Light Activated RelayDark and Light Activated Relay

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…

55 years ago
Color DetectorColor Detector

Color Detector

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

55 years ago