Product Description & Technical Details
Product Description
The GY-53 is an advanced ranging module based on the VL53L0X Time-of-Flight (ToF) sensor. Unlike traditional IR sensors that rely on reflected light intensity (which varies by object color), the GY-53 measures the absolute time it takes for photons to travel to an object and bounce back. This ensures accurate distance measurement regardless of the target's reflectivity or color. The GY-53 variant includes an onboard microcontroller that processes the raw data, offering simplified Serial (UART) and PWM outputs in addition to the standard I2C interface.
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Key Highlights
Color-Independent Sensing: Because it measures the "Time of Flight" rather than reflected light strength, it can accurately detect dark or black objects that typically "fool" standard IR sensors.
Integrated Processor: The onboard MCU handles complex calculations and noise filtering, allowing you to read distances via simple Serial commands without taxing your main controller.
Invisible Laser Technology: Uses a 940nm vertical-cavity surface-emitting laser (VCSEL) which is completely invisible to the human eye and safe for use (Class 1 Laser).
Multiple Output Modes: Supports Serial UART (9600-115200 baud), PWM (pulse width proportional to distance), and raw I2C, providing maximum flexibility for different projects.
Long Range & High Speed: Capable of measuring up to 2 meters in "Long Range" mode with a fast response time, ideal for high-speed drone landing or robot obstacle avoidance.
Technical Specifications
Accuracy: ±3% (High-speed mode) to ±10% (Long-range mode)
Field of View (FoV): 25 Degrees
Operating Current: 20mA to 40mA
Dimensions: 15mm x 13mm
Default Baud Rate: 9600 bps
Prototyping & Installation Tip
The VL53L0X sensor comes with a small protective yellow or clear film on the lens—this must be removed before use for accurate readings. When using Serial mode, the module outputs data continuously; you can simply parse the incoming string to get the distance in millimeters. If using I2C, be aware that the GY-53 board might require specific pin configurations (pulling certain pins high or low) to switch between Serial and I2C modes.
Note: This product is the GY-53 Sensor Module ONLY. Header pins are usually included. Product images are for illustration purposes only.