composants:ldr

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composants:ldr [2025/01/19 10:35] mhcomposants:ldr [2025/01/19 10:37] (current) mh
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 ====== LDR ===== ====== LDR =====
  
-LDR stands for **Light Dependent Resistor**. It's a resistor whose value will vary according to the intensity of the light it receives.+LDR stands for **Light Dependent Resistor**.  
 + 
 +It's a resistor whose value will vary according to the intensity of the light it receives.
  
 ===== Cabling ===== ===== Cabling =====
  
 To connect it to an **analog** input on an arduino, it must be connected to a high value resistor (typically 100K Ohms). To connect it to an **analog** input on an arduino, it must be connected to a high value resistor (typically 100K Ohms).
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-{{composants:ldr_fritzing.jpg}} 
  
 The value read will range between  750 and 1023 for a strong light source received and less than 100 for obscurity. The value read will range between  750 and 1023 for a strong light source received and less than 100 for obscurity.
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 +----
 +
 +{{composants:ldr_fritzing.jpg??300px}}
  • composants/ldr.1737279328.txt.gz
  • Last modified: 2025/01/19 10:35
  • by mh