Big LDR

This is an LDR Sensor. A photocell (also called a photodetector, CDS or photoconductive cell) changes resistance depending on the amount of light it is exposed to. These little sensors make great ambient light triggers (when light in the room turns on, do something).

Features and Specifications

• Can be used to sense Light
• Easy to use on Breadboard or Perf Board
• Easy to use with Microcontrollers or even with normal Digital/Analog IC
• Small, cheap and easily available
• Available in PG5 ,PG5-MP, PG12, PG12-MP, PG20 and PG20-MP series

Applications

• Automatic Street Light
• Detect Day or Night
• Automatic Head Light Dimmer
• Position sensor
• Used along with LED as obstacle detector
• Automatic bedroom Lights
• Automatic Rear view mirror