LIGHT DEPENDENT RESISTOR (LDR)

LDR (Light Dependent Resistor) is a type of variable resistor that changes resistance value due to the influence of light. Light dependent resistor has two types, namely the first, When exposed to light dark prisoner greater value, and exposed to bright light ila value becomes smaller. The second prisoner dark when exposed to light will be smaller and when exposed to bright light prisoners will be even greater.
LIGHT DEPENDENT RESISTOR (LDR)
LIGHT DEPENDENT RESISTOR (LDR)
These components are commonly used as a light detector or measuring the amount of light conversion. In addition, in its application using the microcontroller, light-dependent diode is also often used as a sensor light sensor.

Symbol of the resistor
LDR (Light Dependent Resistor) is like that in the show in the image below:
  
LIGHT DEPENDENT RESISTOR (LDR)
Symbol of Light Dependent Resistor (LDR)
 

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