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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**. |
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+ | 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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The value read will range between | The value read will range between | ||
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+ | ---- | ||
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+ | {{composants: |