Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Channel Options | 3, 4, 5, or 8 Channels |
| Operating Voltage | 3.3V - 5V DC |
| Detection Type | Reflective Infrared |
| Output Signal | Digital TTL (High/Low) |
| PCB Dimensions | Varies by channel count (approx. 40mm x 12mm per 4 channels) |
| Adjustable Sensitivity | Yes, via onboard potentiometer |
| Indicator LEDs | Power and Signal Output indicators |
| Mounting Holes | 3mm diameter for easy installation |
| Compatible Platforms | Arduino, Raspberry Pi, STM32, ESP32 |
| Application | Line following robots, obstacle avoidance, smart car projects |
Anonymous
Mar 30, 2026
Rating: 4/5
Solid performance
Response time is quick enough for high-speed line tracking. Just ensure your power supply is stable, as voltage drops can affect the IR emitter intensity.
Anonymous
Mar 29, 2026
Rating: 5/5
Exceeded expectations
I was worried about ambient light interference, but the shielding on these sensors is excellent. Works great even under bright office lighting.
Anonymous
Mar 25, 2026
Rating: 5/5
Easy to use for beginners
Bought this for my son's science project. The wiring is straightforward, and it connected easily to our microcontroller. The LED indicators make debugging very simple.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for my Arduino robot
The 8-channel module works flawlessly with my custom line-following robot. The sensitivity adjustment is very precise, allowing it to track black tape on white floors without issues.
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable for classroom kits
We purchased ten of these for our robotics workshop. They are durable and handle frequent reprogramming well. The 4-channel version is the sweet spot for most beginner tracks.
Anonymous
Mar 13, 2026
Rating: 4/5
Good value but needs calibration
Great sensor for the price. It took a little time to calibrate the potentiometers for each channel, but once set, it performs consistently. Documentation could be slightly better.
Q: How do I distinguish between the 4-channel and 8-channel versions physically?
A: The 8-channel board is approximately twice the length of the 4-channel board. The product title and packaging clearly label the channel count before shipping.
Q: Can this sensor detect lines on a glossy surface?
A: Yes, but you may need to adjust the sensitivity potentiometer carefully to avoid reflections causing false readings. Testing on your specific surface is recommended.
Q: Is this compatible with 3.3V logic boards like ESP32?
A: Yes, the module operates on a 3.3V to 5V range and outputs TTL signals compatible with both 3.3V and 5V microcontrollers.
Q: What is the maximum speed a robot can travel while using this sensor?
A: The sensor response time is in microseconds, so it supports high speeds. The actual limit depends on your microcontroller's processing speed and code efficiency.
Q: Does the package include connecting wires?
A: The module typically comes with header pins soldered or unsoldered depending on the option selected, but jumper wires are usually sold separately.
100Pcs Custom Clothing Hang Tags Personalized Plastic Securi
$125.94
Wall-Mounted Bathroom Storage Shelf, No-Drill Organizer for Sink, Shower, and Toilet Area
$5.76
Thickened 5mm Wool Felt Mat for Calligraphy Practice - Premium Writing Pad for Students and Beginners, Part of Four Treasures of the Study Set
$2.80
Multi-Function Car Tire Stone Removal Tool with Hook for Picking Out Rocks
$4.06
Label Stripping Machine – Semi-Automatic Unit for Beer, Baijiu, and Glass Bottle Label Removal; Custom Manufacturing Available
$19,980.00
High-Strength Manganese Steel Lifting Chain 6*18mm G80 Wear-Resistant Towing Chain
$84.34
Touchmark Acrylic Markers for Elementary Art, Washable Watercolor Pens for Kids' Drawing and Painting
$10.80
Official Flagship Store Steel Tongue Drum, C Key, 6-inch, 11 Notes, Carbon Steel Performance Grade Instrument for Kids and Students
$41.10
Outdoor Waterproof Backpack Camouflage Dry Bag with Wet/Dry Separation for Swimming, Rafting, and Trekking
$8.42
![[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors](https://www.gosteppe.com/cache/small/product/270170/legacy-main-59be8c850af1ec303ad4901b.webp)
[Save $50 on Order] Bundle: 5 Notebooks + 2 Pens + 20 Refills + 2 Grip Correctors
$39.90
Sketching Tool Set for Art Students - Includes Blending Stumps, Tortillons, Paper Stumps, Sponge Balls, Cotton Swabs, Highlight Pens, Gray Tone Tools, Insert Knives, Smudging Knives, Scrapers, and Blending Cotton
$7.65
Suede Rope Korean Velvet Rope DIY Aromatherapy Candle Plaster Tag Hanging Cord Packaging Gift Box Ribbon Decorative Leather Rope
$0.85
![[Damai Holds Microneedle Hair Transplant Patent] Hair Collagen | Improves Hair Loss, Nourishes Dermis and Follicles](https://www.gosteppe.com/cache/small/product/270167/legacy-main-9c6481bdd960acdf68495a0e.webp)
[Damai Holds Microneedle Hair Transplant Patent] Hair Collagen | Improves Hair Loss, Nourishes Dermis and Follicles
$1,980.00
Selected Factory Low-Temperature 3D Printing Pen for Kids, Children's 3D Printing Pen Set, 3D Drawing Pen
$100.02
Milk Pasteurization Line - Small-Scale Yogurt Production Machine for Liquid Yogurt and Pasteurized Milk
$8,148.00
Commercial Small Heating Warmer Cabinet, Glass Constant-Temperature Countertop Display Case for Egg Tarts, Burgers, and Fried Chicken
$884.00
Custom Seal Stamp Engraving Personal Name Phone Number Private Chop
$5.89
Commercial Food Warmer Cabinet for Milk, Soy Milk, Burgers, Egg Tarts, Fried Chicken, Pies, Youtiao, and Bread Display
$1,355.00
PJ0040 Rose Embossed Cross Silicone Mold - For Candles, Aromatherapy, Soap, Plaster, and DIY Crafts
$11.20
Yuwell Oxygen Concentrator Control Board Motherboard 8F-3AW/8F-5AW/9F-5BW
$120.00
Leyingfang Floating Pen for Kids and Students - Water-Based Non-Toxic Erasable Whiteboard Pen for Drawing in Water, Large Capacity Suspension Pen
$18.00
Car Wheel Lug Nut Covers - Colorful Silicone Dust-Proof and Rust-Proof Caps for Tire Bolt Protection and Exterior Styling
$8.80
Automatic Stainless Steel Vegetable Slicer for Ginger, Potatoes, Carrots, Onions, and Cabbage - Commercial Dicing Machine
$3,951.36
![[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement (500 Units)](https://www.gosteppe.com/cache/small/product/270156/legacy-main-525bdaff56f89ee94752ef9c.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement (500 Units)
$7,000.00
Little Leather Paper Strip Music Box (30-Note) Sheet Music - Contact Before Ordering; Specify Song Email for Digital Score Delivery
$1.00
Kitchen Sink Strainer Basket Push-Type Food Residue Separator Filter Hanging Storage Rack
$3.80
Heavy-Duty Heat-Treated CV Joint Puller Tool - Axle Ball Cage Removal and Installation Device for Automotive Repair
$66.00
Mobile Integrated Waste Transfer Station - 17 Cubic Meters Movable Compression Container
$159,443.00
Antique Glaze White Ceramic Brush Washer Large Brush Washer Water Pot Ink Stone Washing Calligraphy Painting Brush Washing Basin Four Treasures of the Study
$16.80
Authentic Chinese Philosophy Classics: Di Tian Sui, Qiong Tong Bao Jian, San Ming Tong Hui - Annotated & Illustrated Edition
$29.90
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
