DESCRIPTION
The RGB 8-channel line follower sensor is a high-performance tracking module designed for advanced robotics applications. Powered by a 32-bit ARM processor, it integrates an 8-channel color-sensitive detection array capable of accurately recognizing colored lines, not just black and white.
Featuring one-key automatic calibration, the sensor eliminates the need for manual parameter tuning. With a simple button press, it completes full calibration within one minute, significantly reducing setup time and improving consistency across environments.
Equipped with custom RGB focused light sources and anti-interference optical design, the module effectively suppresses ambient light interference and ground reflections, ensuring stable and precise detection even in complex lighting conditions.
The built-in intelligent algorithm enables adaptive line recognition, supporting sharp turns, curves, intersections, and complex tracks. It is widely compatible with major controller platforms including Arduino, STM32, Raspberry Pi, Jetson, and more.
SPECIFICATIONS
| Parameter | Value |
|---|---|
| Operating Voltage | 5V |
| Operating Current | 85mA |
| Detection Channels | 8 Channels |
| Detection Type | RGB Color + Grayscale |
| Detection Height | 10mm – 40mm |
| Detectable Line Width | 0.6cm – 6.9cm |
| Output Signal | Analog + Digital (Standard Version) / Digital (LEGO Version) |
| Communication Interface | GPIO, I2C |
| MCU | 32-bit ARM Processor |
| Operating Temperature | -40°C to +85°C |
| Dimensions (Standard) | 90 × 41 × 15 mm |
| Dimensions (LEGO Version) | 88 × 32 × 15 mm |
| Weight | 19g (Standard) / 15g (LEGO Version) |
FEATURES
- One-key automatic calibration (no manual tuning required)
- 8-channel RGB color recognition
- Supports multi-color line tracking
- Strong ambient light interference resistance
- Anti-reflection optical design
- Adaptive intelligent tracking algorithm
- Supports complex paths (curves, sharp turns, intersections)
- Built-in data selector chip (CD4051B)
- GPIO & I2C communication support
- Compatible with multiple controller platforms
- Standard mounting holes for easy installation
APPLICATIONS
- Line following robots
- Autonomous mobile robots (AGV)
- Robotics competitions
- STEM education and training
- AI vision-assisted tracking systems
- Smart car development projects
PACKAGE INCLUDES
Standard Version
- 1 × 8-Channel RGB Line Follower Sensor
- 1 × 4-Pin Cable (200mm)
- 1 × Dupont Cable (200mm)
- 2 × M3 Nylon Standoffs
- 6 × M3 Screws
HOW TO USE (AUTO CALIBRATION)
- Adjust the sensor height (recommended 10–40mm)
- Long press the onboard button to enter calibration mode
- Place sensor over background (white area) to record values
- Press button again to record line (black or colored line)
- Calibration completes automatically

