Description:

This compact grayscale sensor provides precise light intensity measurements across the entire black-to-white spectrum. Functioning on the principle of a photocell a light-dependent resistor it directly measures the amount of light it receives. To facilitate reflective sensing and comparative analysis of grayscale levels, the sensor incorporates an integrated white LED positioned directly in front of the photocell. While the sensor will respond to various colors, its output will exclusively represent the equivalent grayscale value, ranging from minimal output for black to maximum output for white.

This enhanced version features a higher-quality connector, significantly improving the sensor’s lifespan and reliability. It also boasts an optimized voltage range for broader compatibility and maintains its user-friendly design for seamless integration into your projects.

This type of sensor is commonly employed in automatic lighting systems, where it intelligently detects insufficient ambient light (such as the absence of sunlight) and triggers the activation of a lamp via a relay. Conversely, when sufficient light returns, the sensor signals the lamp to turn off. Beyond automated lighting, the sensor’s ability to detect light variations opens up possibilities for simple data transmission methods, such as encoding information using Morse code with a flashing light source. Furthermore, its sensitivity to contrasting light and dark areas makes it well-suited for line-following robots and other tracking applications.

Specifications:

• Supply Voltage: 3.3V to 5V
• Interface: Analog
• Size:22x30mm (0.87 x 1.18 in)

Features:

• Operates reliably across a wide range of voltage levels.
• Simplifies integration with common prototyping platforms.
• Ensures quick and accurate wiring.
• Provides immediate visual understanding of the sensor’s purpose.
• Offers enhanced lifespan and reliable connections.

Documents:

• Wiki (Analog Grayscale Sensor V2)
• Schematics

Package Included:

1 x DFRobot Gravity: Analog Grayscale Sensor