Light Sensitive Photoresistor LDR 10mm
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Description
The 10mm Light Dependent Resistor (LDR) is a passive electronic component that changes its resistance based on the intensity of incident light. As light levels increase, its resistance decreases—making it ideal for light-sensing circuits, automatic lighting systems, solar trackers, and DIY electronics projects.
With a 10mm sensing head, this LDR offers a larger surface area for improved sensitivity to ambient light. It operates efficiently in a wide range of lighting conditions and is easy to integrate with microcontrollers like Arduino or Raspberry Pi using a voltage divider circuit.
Key Features
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Light-sensitive resistor (Photoresistor)
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Resistance decreases with increasing light intensity
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Large 10mm diameter sensing head for higher sensitivity
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Suitable for both analog and digital light detection circuits
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Ideal for automatic lights, alarms, light meters, and solar projects
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Easy to interface with Arduino, ESP32, and other microcontrollers
Specifications
| Parameter | Value |
|---|---|
| Type | Photoresistor / LDR |
| Sensing Diameter | 10mm |
| Dark Resistance | >1MΩ |
| Light Resistance | ~5–10kΩ (at 10 lux) |
| Max Voltage | 150V DC |
| Max Power Dissipation | 100mW |
| Response Time | Rise: 20ms / Fall: 30ms (typical) |
| Operating Temperature | -30°C to +70°C |
| Applications | Light sensors, auto lighting, solar tracking, security systems |
Package Includes
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1 × 10mm Light Dependent Resistor (LDR)
