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Photoresistor (LDR)

Photoresistor (LDR) - Main image
$1.08 $1.5 In stock

๐ŸŒŸ Photoresistor (LDR) ๐ŸŒŸ



Tiny but mighty, this light sensor is your gateway to ambient light detection!



โœจ Changes resistance based on light exposure


๐Ÿ”† Perfect for light-triggered projects


๐Ÿ”ง Also known as:


โ€ข Photodetector


โ€ข Photo resistor


โ€ข Light Dependent Resistor (LDR)


โ€ข CdS


โ€ข Photoconductive cell



Unlock the power of light with this versatile sensor!

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Standard Shipping: Handling (business days) 0โ€“1; Transit (business days) 7โ€“15.

Express Shipping: Handling (business days) 0โ€“1; Transit (business days) 7โ€“15.

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Standard Shipping ยท United States: $0.00

Express Shipping ยท United States: $3.99

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United States ยท Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 ยท 5 reviews)

Henry X. โ˜…โ˜…โ˜…โ˜…โ˜…

Picked up a five-pack for my Arduino weather station and the resistance shift from bright sun to room light is very clear. These are exactly what I needed for a simple dusk-to-dawn trigger circuit.

Adam โ˜…โ˜…โ˜…โ˜…โ˜…

Just wired this into a garden light project and it's responding perfectly to changing sunlight levels. The resistance shift is very noticeable when I hold a hand over it.

Amelia P. โ˜…โ˜…โ˜…โ˜…โ˜…

Used one in a dusk-triggered LED circuit and the resistance shift was immediate when light hit it. Even in dim room light, the change was obvious enough to flip my transistor without any fiddling. Great little sensor for the price.