Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Compatibility | Supports GY-33, GY-31, TCS3200D, and TCS34725 |
| Operating Voltage | 3.3V to 5V DC |
| Interface Type | UART / TTL Serial Communication |
| Detection Mode | RGB Color Recognition and Ambient Light Sensing |
| Output Format | Digital RGB Values and Hex Codes |
| PCB Dimensions | Approx. 25mm x 18mm |
| Mounting Hole Size | 3mm diameter for standard standoffs |
| Response Time | Fast response suitable for real-time sorting |
| Application Scope | Ideal for Arduino, Raspberry Pi, and DIY Robotics |
| Package Contents | 1x Sensor Module, 1x Pin Header Strip |
Anonymous
Mar 28, 2026
Rating: 5/5
Reliable and fast
Fast response time makes it great for conveyor belt applications. The RGB values are stable and repeatable. Documentation could be slightly better, but community forums helped fill the gaps.
Anonymous
Mar 26, 2026
Rating: 4/5
Great value but needs calibration
The sensor is very sensitive and picks up subtle color differences. You do need to spend some time calibrating it for your specific environment, but once done, it performs consistently.
Anonymous
Mar 23, 2026
Rating: 5/5
Excellent for educational purposes
We used these in our university lab for a line-following and object sorting competition. The UART output makes parsing data very simple. No issues after weeks of continuous use.
Anonymous
Mar 13, 2026
Rating: 5/5
Perfect for my sorting robot project
This module worked flawlessly with my Arduino Uno. The color recognition is surprisingly accurate even under varying light conditions. Setup was straightforward using the provided library examples.
Anonymous
Mar 09, 2026
Rating: 5/5
Versatile multi-model support
I appreciate that this board supports multiple chipsets like the TCS34725. It makes prototyping easier since I can swap logic without changing hardware. Highly recommended for students.
Anonymous
Mar 04, 2026
Rating: 4/5
Good sensitivity, compact size
The small form factor fits perfectly into tight spaces in my custom enclosure. The only reason for 4 stars is that the pin headers were not pre-soldered, but that's a minor inconvenience.
Q: Is there a Python library available for Raspberry Pi integration?
A: Yes, several open-source Python libraries are available on GitHub that utilize the serial UART interface to communicate with this sensor on Raspberry Pi models.
Q: Does this module work directly with 5V Arduino boards without a level shifter?
A: Yes, the module operates within a 3.3V to 5V range, so it can be connected directly to 5V Arduino boards like the Uno or Mega without additional level shifting.
Q: What is the maximum distance for accurate color detection?
A: For optimal accuracy, the sensor should be placed between 5mm to 10mm from the target object. Accuracy drops significantly beyond 15mm.
Q: Does the package include the connecting wires?
A: The package includes the sensor module and a pin header strip. Connecting wires are not included and should be purchased separately based on your project requirements.
Q: Can this sensor detect colors through transparent plastic?
A: While it can detect colors through very thin transparent materials, accuracy may decrease depending on the tint and thickness of the plastic. Direct line of sight yields the best results.
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