Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | E18-D80NK |
| Detection Type | Diffuse Reflective |
| Output Configuration | NPN Normally Open |
| Operating Voltage | 5V DC |
| Detection Range | 3cm to 80cm (Adjustable) |
| Response Time | ≤ 2ms |
| Indicator Light | Green LED (Power), Red LED (Detection) |
| Wire Count | 3-Wire (Brown: VCC, Blue: GND, Black: Signal) |
| Mounting Thread | M18 x 1mm |
| Application | Obstacle Avoidance, Line Following, Object Counting |
Anonymous
Mar 31, 2026
Rating: 5/5
Perfect for my robot car project
This sensor works exactly as described. The detection range is easily adjustable with the potentiometer on the back. I used it for obstacle avoidance on an Arduino-based robot, and the response time is incredibly fast. Highly recommended for hobbyists.
Anonymous
Mar 28, 2026
Rating: 3/5
Works well but instructions could be better
The sensor itself functions great once you figure out the tuning. The product listing didn't have a detailed pinout diagram, so I had to search online to confirm the wire colors. Once connected, it performs solidly.
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable NPN output
I needed a specific NPN output for my PLC interface, and this module delivered without issues. The wiring is standard color-coded, making installation very quick. The build quality feels sturdy for the price point.
Anonymous
Mar 23, 2026
Rating: 5/5
Easy to integrate with Raspberry Pi
Bought this for a university project. Connecting it to a Raspberry Pi GPIO was straightforward. The ability to adjust the sensitivity allows me to ignore background noise effectively. Very satisfied with the purchase.
Anonymous
Mar 10, 2026
Rating: 4/5
Good value but sensitive to sunlight
Great sensor for indoor projects. It detects objects reliably within the stated range. However, I noticed it gets a bit erratic when used near direct sunlight outdoors. For indoor automation or shaded areas, it is excellent.
Anonymous
Mar 07, 2026
Rating: 4/5
Solid performance for small automation
Using these on a small conveyor belt setup to count items. They are consistent and haven't failed yet after two weeks of continuous operation. Just ensure your power supply is stable at 5V for best results.
Q: How do I adjust the detection distance?
A: There is a small blue potentiometer on the back of the sensor module. Use a small screwdriver to turn it clockwise to increase the range or counter-clockwise to decrease it while testing with your target object.
Q: What is the maximum current this sensor can sink?
A: The NPN output can typically sink up to 100mA. However, for driving heavy loads like motors or high-power relays, we recommend using the sensor signal to trigger a transistor or relay module.
Q: Is this compatible with 12V systems?
A: No, this specific model (E18-D80NK) is designed for 5V DC operation only. Connecting it to 12V may damage the internal circuitry. Please use a voltage regulator if your system runs on 12V.
Q: Can this sensor detect black objects effectively?
A: Yes, it can detect black objects, but the detection range may be reduced compared to lighter colored objects due to lower light reflection. You may need to adjust the sensitivity potentiometer to compensate.
Q: Does the package include mounting nuts?
A: Yes, each unit comes with two M18 mounting nuts to secure the sensor into a panel or bracket immediately upon arrival.
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
Guangda Dental | Swiss Dental Implants Including Abutment, Implant Body, and Crown, Improves Chewing, Restores Missing Teeth
$3,900.00
50pcs Merry Christmas Gift Tags Printed White Paper Labels X
$26.44
Kabaxiong Color Gel Pens - Retractable Morandi Style, High-Aesthetic Japanese INS Set for Journaling and Marking
$8.88
Continental Tires 225 235 245 255 275/35 40 45 50 55R17 18 19 20 21 22
$350.00
Portable Invisible Aligner Case for Orthodontic Retainers - Compact, Breathable Storage Box for Teeth Correctors and Dentures
$18.80
![[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)
