LDR 12 mm

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SKU: R2-B-5-3

LDR 12 mm

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₹34.00 (Excluded Tax)

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Overview
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Description

The 12mm LDR (Light Dependent Resistor) is a simple and effective light sensor used to detect changes in light intensity. It is ideal for STEM learning, enabling hands-on experimentation with concepts such as sensing, automation, and basic electronics.

An LDR is a resistor whose resistance varies based on the amount of light falling on it:

More light → Lower resistance
Less light → Higher resistance

This behavior makes it suitable for light-sensitive applications.

Key Features

12mm sensing surface for improved light detection
Easy integration with breadboards and microcontrollers
Analog output based on light intensity
Responsive to ambient light changes
Suitable for educational and prototype applications

Technical Specifications

Type: Photoresistor (LDR)
Diameter: 12mm
Light Resistance: ~1kΩ to 10kΩ (in bright light)
Dark Resistance: Up to 1MΩ
Response Time: Moderate
Peak Sensitivity: Around 540 nm (visible light spectrum)

Applications

Automatic street lighting systems
Light/dark detection circuits
Smart lighting solutions
Security and alarm systems
Solar-powered devices
Arduino and ESP32-based sensing projects

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