Hiwonder 8-Channel Grayscale Line Follower Sensor Module with Smart Full-Color RGB Recognition & Obstacle Avoidance for Robot Cars
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【32-Bit ARM Chip & Dual Interfaces】Features a built-in high-performance 32-bit ARM chip with onboard GPIO and I2C ports, ensuring seamless compatibility with mainstream control platforms.
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【One-Button Auto-Calibration】Skip complex manual tuning with one-button calibration technology. Calibrate all 8 channels in under a minute, drastically reducing prep time for competitions and development projects.
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【Full-Color Tracking & Anti-Interference】Equipped with RGB spotlights and anti-glare phototransistors to recognize various line colors. It effectively blocks ambient light and track reflections for highly stable and reliable data output.
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【Master Complex Line Following】A built-in smart algorithm effortlessly handles high-difficulty track conditions, including right-angle turns, sharp U-turns, curves, and intersections.
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【Comprehensive Source Code & Tutorials】Includes practical tutorials and source code for Arduino, STM32, Raspberry Pi, and NVIDIA Jetson, allowing even beginners to get started instantly.
Supporting one-button auto-learning calibration, the sensor adaptively detects lines. A built-in smart algorithm handles high-difficulty tasks like right-angle turns, sharp U-turns, curves, and intersections, making it highly adaptable to multiple track types. Standardized mounting slots fit various robot car chassis. Backed by complete source code and technical documentation for Arduino, STM32, Raspberry Pi, and NVIDIA Jetson, even beginners can get started quickly.
| Operating voltage | 5V | ||
| Operating temperature | -40~+85°C | ||
| Mounting fasteners | M2.5 or M3 standoffs/screws (Standard version) M4 screws/friction pins (Building block version) | ||
| Operating current | 85mA | ||
| Detection line width | 0.6–6.9cm | ||
| Detection height | 10–40mm | ||
| Mounting hole spacing | 16–42mm | ||
| Dimensions | 90 × 41 × 15 mm (Standard version) 88 × 32 × 15 mm (Building block version) | ||
| Output interface | 1× IO, 1× I2C (Standard version) 1× I2C (Building block version) | ||
| Output signal | Analog & digital (Standard version) Digital only (Building block version) | ||
| Weight | 19g (Standard version) 15g (Building block version) | ||
| Operating voltage | 5V | ||
| Operating temperature | -40~+85°C | ||
| Mounting fasteners | M2.5 or M3 standoffs/screws (Standard version) M4 screws/friction pins (Building block version) | ||
| Operating current | 85mA | ||
| Detection line width | 0.6–6.9cm | ||
| Detection height | 10–40mm | ||
| Mounting hole spacing | 16–42mm | ||
| Dimensions | 90 × 41 × 15 mm (Standard version) 88 × 32 × 15 mm (Building block version) | ||
| Output interface | 1× IO, 1× I2C (Standard version) 1× I2C (Building block version) | ||
| Output signal | Analog & digital (Standard version) Digital only (Building block version) | ||
| Weight | 19g (Standard version) 15g (Building block version) | ||
Shipping & Delivery
1. Free Shipping Policy
Hiwonder offers free standard shipping on orders over US $499 (before tax and duties), delivered via trusted carriers such as DHL, UPS, or FedEx.
Most orders arrive within 6 working days after dispatch. You can check if your country is eligible for free shipping in the regions listed below.
Eligible Regions
- Americas: United States, Canada, Mexico, Chile
- Europe: Germany, United Kingdom, Netherlands, Switzerland, France, Austria, Italy, Belgium, Spain, Sweden, Finland, Norway, Portugal, Czech Republic, Poland, Greece, Slovenia, Romania, Denmark, Bulgaria, Luxembourg, Slovakia, Hungary, Ireland, Estonia, Lithuania
- Asia: China, Japan, Singapore, South Korea, United Arab Emirates, Malaysia, Thailand, Philippines, Indonesia
- Oceania: Australia, New Zealand
If your country or region is not listed above, the shipping cost will be automatically calculated at checkout once you enter your shipping address.
2. Customs & Import Fees
All international shipments are subject to local customs regulations. Import duties, taxes, or other fees may be charged by your country's customs authority upon arrival.
Our shipping term is FOB Shenzhen, which means these fees, if any, are the customer's responsibility. The shipping carriers will assist with the customs clearance process to ensure smooth delivery.
If a package is returned due to unpaid customs duties, any related return or reshipping fees will be deducted from your refund.
3. Order Processing Time
Orders are typically processed within 24 hours after placement and shipped the next business day.
Orders placed on weekends or public holidays will be shipped on the next working day.
Once shipped, you will receive a confirmation email with tracking information.
Questions & Answers
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