Photosensitive Resistor Light Sensor Analog Grayscale Module

Take your electronics projects to the next level with this Photosensitive Resistor Light Sensor Analog Grayscale Module. Compact, responsive, and easy to integrate, this sensor module detects ambient light intensity and outputs an analog grayscale signal — making it a versatile component for Arduino-based DIY kits, robotics, line-tracking vehicles, and automation projects.

Whether you're building a smart home device, a line-following robot, or experimenting with light-sensitive circuits, this module delivers consistent, reliable performance in a lightweight, space-saving form factor.

Key Features

• Analog Grayscale Output: Detects and outputs varying light levels as a smooth analog signal, ideal for brightness detection and line-tracking applications.
• Compact Design: Measures just 21mm × 24mm and weighs only 2.25g — fits easily onto breadboards and custom PCB layouts.
• Polymer Construction: Durable polymer housing protects internal components during handling and integration.
• Arduino Compatible: Plug-and-play integration with Arduino, Raspberry Pi, and most popular microcontroller platforms.
• Quantity Options: Available in 1pc or 5pc sets — perfect for prototyping or stocking your maker workspace.
• Customizable: Supports project-specific customization for advanced DIY builds.

Specifications

• Material: Polymer
• Dimensions: 21mm × 24mm
• Weight: 2.25g
• Output Type: Analog (Grayscale)
• Compatibility: Arduino, DIY electronics kits, line-tracking modules
• Available Quantities: 1pcs, 5pcs

Perfect For

• Arduino DIY electronics projects
• Line-tracking and obstacle-detection robots
• Light-sensitive automation circuits
• Hobbyist and maker electronics builds
• STEM education and learning kits

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Frequently Asked Questions

Q: What does the Photosensitive Resistor Light Sensor Analog Grayscale Module do?

A: This light sensor module uses a photosensitive resistor to detect ambient light intensity and outputs an analog grayscale signal. It's widely used in Arduino DIY kits, line-tracking robots, and light-detection automation projects to measure and respond to varying brightness levels.

Q: Is this sensor module compatible with Arduino?

A: Yes! The module is fully compatible with Arduino boards and most popular microcontroller platforms including Raspberry Pi. Simply connect the analog output pin to your microcontroller's analog input and start reading light values in your code right away.

Q: What materials is this sensor module made from, and how big is it?

A: The module is constructed from durable polymer and measures a compact 21mm × 24mm, weighing just 2.25g. Its small footprint makes it easy to fit into tight project enclosures or breadboard setups without taking up valuable space.

Q: Can I buy multiple units at once?

A: Absolutely. This sensor module is available in quantities of 1pc or 5pcs, making it convenient for both single-project prototyping and stocking your maker or electronics workspace.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.