LDR Sensors

KitsGuru’s ldr sensor collection offers everything from classic 5mm photoresistors to advanced digital modules. A Light Dependent Resistor (LDR) is a passive electronic component that reduces its resistance as light intensity increases, making it ideal for light-sensing circuits. These photoresistors (also called ldr sensors or photocells) automatically detect brightness changes. For example, a 5MM LDR photoresistor built with cadmium sulfide cells smoothly drops its resistance in sunlight, enabling automated on/off lighting control. We also offer modules with onboard comparators (LM393) and LEDs for plug-and-play light sensing.

Whether you need compact GL5537/5549 5mm LDRs or larger 12mm GL12528 light cells, our selection has it all. We stock original, high-quality ldr components backed by KitsGuru warranty. Choose from various resistance ranges (bright-light resistance ~4–20KΩ) to fit your project. Find both analog ldr sensor photoresistors and digital LM393 comparator modules, all factory-tested for consistency. Enjoy pan-India delivery (free shipping over ₹999) and bulk pricing for schools and resellers. Our sensors are breadboard-friendly and plug straight into Arduino, Raspberry Pi, or other microcontrollers. They are very affordable (some ₹5–₹29), so beginners can experiment at low cost. Ldr sensors offer a simple introduction to electronics, perfect for new makers and IoT hobbyists.

These ldr sensor components are perfect for hobbyists and professionals alike. Use them in smart streetlights, night lights, solar trackers, or security detectors – any project that needs to respond to ambient light. Each ldr sensor module in this collection features fast response and long life, ensuring smooth performance in automation circuits. Discover KitsGuru’s ldr sensor modules to brighten your projects with high-quality light-detection solutions, making them popular in home automation.