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.
Original Car Tires - Used Passenger Van Tires in Sizes 175/185/195/205 R13/R14/R15/R16/R17
$59.00
BeeNesting Waterproof Bag, Wet/Dry Separation, Large Capacity Storage for Swimming, Beach, Camping, Travel, Outdoor 12+20L
$33.10
Custom Acrylic UV Printed Advertising Signs - Office Door Plates, ID Tags, Number Plaques, and Small Signboards
$1.00
Car Tire Stone Removal Tool - Hook Pick for Cleaning Gravel from Vehicle Treads
$4.53
Strawberry Planting Trough PVC 3D with Built-in Drainage Greenhouse Soilless Cultivation Equipment Vertical Growing Rack
$13.60
Baohong Watercolor Sketchbook - Glued on Four Sides, 32K/16K/8K, 200g/300g Cotton Pulp Paper for Postcards, Travel Sketching, and Oil Pastels
$20.00
Kitchen Sink Storage Rack Multi-Function Dish Drying Shelf Over-Sink Organizer Bowl Cabinet
$105.00
Blower Motor Compatible with Corolla, Crown, Camry, Highlander, Crown, Reiz, RAV4, Prado, Land Cruiser
$234.32
Copic Airbrush - Marker Rendering Tool (Cannot Be Used Directly), Model ABS-3, Compatible with Copic Series 1 and 2
$285.00
Beijing Hezhong Dental Implant Service - Includes Implant and Abutment at Central Procurement Prices; Korean Dentium and American Implant Options Available
$1.00
Mini Watercolor Paint Set with Carry Case for Travel Sketching, Journaling, and Students
$5.50
PGYTECH Dandelion SD Card Case for DSLR and Mirrorless Cameras - Portable TF Memory Card, SIM Card, and XD Card Holder
$84.10
UE4 Unreal Engine 5 Indie Friendly Sounds RPG Sounds Pack - Game-Ready Audio Effects
$0.50
G80 Manganese Steel Lifting Chain Rigging with Double or Quadruple Hooks, Lifting Rings, and Crane Hooks
$63.00
Mont Marte Long-Handle Bristle Brush for Acrylic Paint, Art Flat Brush, Oil Painting Brush
$4.00
Stylish Portable Invisible Braces Case for Kids' Orthodontic Retainers and Cleaning
$12.40
Used Car Tires (80-90% New) in Sizes 165, 175, 185, 195, 205, 215, 225 - Code 551456
$65.00
Commercial and Home Dual-Head Stainless Steel Vegetable Slicer for Cafeterias and Restaurants - Direct from Manufacturer (Slices, Dices, Julienne)
$2,142.00
Mountain Ghost Spending Money Cinnabar Coloring Tool Five Emperor Copper Coin Coloring Wood Carving Stone Tablet Taishan Stone Inscription Non-Fading Landscape Buddha Guan Calligraphy Fine Brush Traditional Seal Script Coloring Pen Tracing
$17.60
Wide-Opening Chain Sling Assembly with Hooks - Heavy-Duty Lifting Gear, Iron Chains, and Crane Hoist Hooks
$145.00
Sketch Blending Stump Set for Artists, Detail Highlight and Shadow Smudging Tools, Cotton Swabs, Scraper, and Sponge Pen Refills
$6.80
Mini Watercolor Paint Set with Walnut Wood Board, Portable Easel, and Travel Sketchbook
$4.68
Modern Housewife Kitchen Sink Organizer - Foldable Dish Drying Rack and Storage Shelf
$44.20
Skid-Mounted Integrated Screw Air Compressor for Laser Cutting - 15kW/22kW/37kW, 16kg, Permanent Magnet VFD
$23,500.00
Wooden Handle Leather Rattle Drum Baby Toy Glue-Free Paint-Free for Ages 1+ Boys and Girls Wooden Shaker
$8.42
![[Folded Booklet] Liu Chunlin: Palace Examination Essay Final Zhuangyuan Small Regular Script Calligraphy Copybook Original Size Long Scroll](https://www.gosteppe.com/cache/small/product/269742/legacy-main-81360b2f385dab43c5030767.webp)
[Folded Booklet] Liu Chunlin: Palace Examination Essay Final Zhuangyuan Small Regular Script Calligraphy Copybook Original Size Long Scroll
$14.20
Stainless Steel Sponge Drain Rack - No-Drill Wall-Mounted Kitchen Sink Organizer for Steel Wool and Scrub Pads
$2.60
Analysis of Wang Duo's Classical Poetry Composition Techniques (50 Analyses + 50 Comparisons)
$89.00
Custom Sheet Music Transcription Service for 'Farewell Letter' for Saxophone, Clarinet, Flute, Trumpet, Violin, and Cello
$12.00
Japanese Surplus san-x Rilakkuma Bowl Set - Oven-Safe Bowl with Base and Two Forks for Ice Cream or Hot Pot
$69.90
![[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)
