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Best Tools and Gear for Makers

Photoresistor – Light Dependent Resistor (LDR)

LDR stands for light dependent resistor, also know as a photoresistor. The resistance across a photoresistor depends on light intensity.

Aliexpress - 20pcs Photoresistor LDR
Aliexpress - 20pcs Photoresistor LDR
$0.70
in stock
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Aliexpress
eBay - 30pcs Photoresistor LDR
eBay - 30pcs Photoresistor LDR
$1.50
in stock
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eBay
DIYables LDR Photocell Photoresistor Light Sensor for Arduino, ESP32, ESP8266, Raspberry Pi, 10...
DIYables LDR Photocell Photoresistor Light Sensor for Arduino, ESP32, ESP8266, Raspberry Pi, 10 Pieces
$4.99
in stock
as of May 26, 2025 12:53 pm
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Amazon.com
EBOOT 30 Pieces Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm (5539)
EBOOT 30 Pieces Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm (5539)
$5.89
in stock
as of May 26, 2025 12:53 pm
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Amazon.com
HiLetgo 100pcs 5528 Light Dependent Resistor LDR 5MM Photoresistor Photoconductive Resistance for...
HiLetgo 100pcs 5528 Light Dependent Resistor LDR 5MM Photoresistor Photoconductive Resistance for Arduino
$7.39
in stock
as of May 26, 2025 12:53 pm
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Amazon.com
Banggood - 10pcs Photoresistor LDR
Banggood - 10pcs Photoresistor LDR
$2.58
out of stock
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Banggood.com