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5pc 5mm LDR Light Dependent Resistor Photoresistor

(2 customer reviews)

Product Specifications

  • Size: 5mm
  • Material: Semiconductor Materials having high resistivity like Silicon or Germanium and copper
  • Package content: Light Dependent Resistor or LDR of 5 pieces
  • Shape: Round
  • Also called photoresistor, photocells, photoconductor and photo conducting cell


Additional Info
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  • LDR Stands for Light Dependent Resistor and its Resistivity varies with Incident Electromagnetic Radiations so, its resistivity is a function of Incident Electromagnetic Radiations or light. Other names of LDR are photoresistor, Photoconductor, Photocell, and photo conducting cell

    LDR is made of Semiconductor materials with high Resistance like Silicon or Germanium. It is a light-sensitive device, so this resistor has a different resistance value in day and night as given below

    • Daylight: 5000Ω
    • Dark: 20000000Ω
    • It requires less power to operate
    • Quick Response
    • Easy to use
    • Generate high current
    • Camera Exposure Control
    • Auto Slide Focus
    • Photocopy Machines
    • Colorimetric Test Equipment
    • Densitometer
    • Electronic Scales
    • Automatic Gain Control
    • Automated Rear View Mirror
    • Automatic Headlight Dimmer
    • Night Light Control
    • Oil Burner Flame Out
    • Street Light Control
    • Absence / Presence (beam breaker)
    • Position Sensor

    Interface with Arduino

    Based on 2 reviews

    4.5 overall

    Add a review

    1. jain himadri

      working is good. i want more. nice

      jain himadri

    2. Amanjot Singh (verified owner)

      Good packaging and good product quality. worth buying.

      Amanjot Singh