Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Measurement Range | 0.03m to 18m |
| Sampling Frequency | Up to 5000 Hz |
| Interface Protocol | UART / TTL Serial |
| Operating Voltage | 3.3V - 5.0V DC |
| Field of View | 360 Degrees |
| Rotation Speed | Adjustable 2-10 Hz |
| Compatibility | ROS, ROS2, Arduino, Raspberry Pi |
| Laser Class | Class 1 (Eye Safe) |
| Dimensions | 42mm x 42mm x 28mm |
| Weight | 65g |
Anonymous
Mar 24, 2026
Rating: 4/5
Great value, minor documentation gaps
Hardware quality is excellent and the build feels solid. The serial communication is fast. I deducted one star because the ROS2 driver setup required some trial and error not covered in the manual.
Anonymous
Mar 21, 2026
Rating: 5/5
Reliable TOF sensor
Been running this for 48 hours straight in a mapping application without a single dropout. The accuracy at close range is impressive compared to other sensors in this price bracket.
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for my autonomous rover project
The integration with ROS2 was seamless. The point cloud data is stable and the 18m range is more than enough for indoor navigation. Highly recommended for hobbyists and prototyping.
Anonymous
Mar 09, 2026
Rating: 5/5
Compact and lightweight
The small form factor made it easy to mount on my custom drone frame. Power consumption is low, which is critical for battery-operated projects. Works flawlessly with Python scripts.
Anonymous
Mar 06, 2026
Rating: 5/5
Exceeded expectations
I was skeptical about the 18m claim in bright sunlight, but it performed surprisingly well outdoors. The noise filtering algorithms in the firmware seem very effective.
Anonymous
Mar 02, 2026
Rating: 4/5
Good for educational purposes
We bought five units for our robotics course. Students found them easy to interface with. One unit had a slightly wobbly motor housing, but it didn't affect performance.
Q: What is the operating temperature range for outdoor use?
A: The SDM18 is rated for operation between -10°C and 50°C. For extreme outdoor conditions, we recommend adding a simple weatherproof housing.
Q: Is there a pre-built Docker container available for ROS2 Humble?
A: Absolutely. You can find the official Docker image link and usage instructions in the 'Software Resources' section of our product wiki page.
Q: Does this sensor come with a USB-to-TTL converter cable?
A: Yes, the package includes a standard USB-to-TTL serial cable for easy connection to your PC for testing and configuration.
Q: Does it support dynamic obstacle detection?
A: Yes, the high sampling frequency allows the sensor to detect moving objects effectively. However, processing logic for dynamic tracking must be implemented in your host application or ROS node.
Q: Can the rotation speed be fixed at exactly 5Hz?
A: Yes, the rotation speed is fully adjustable via serial commands. You can set it to any integer value between 2Hz and 10Hz, including 5Hz.
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
Household Disposable Kitchen Sink Garbage Filter Mesh Drain Pool Dishwashing Basin Strainer Vegetable Bowl Leftover Sink
$3.51
Continental Run-Flat Tires: 225/235/245/255/265 45/50/55 R17/R18/R19/R20/R21/R22
$357.00
Foldable Steel Tire Stone Removal Hook - Multi-Tool for Tire Repair, Stone Picking, and Emergency Window Breaking with Storage Bag
$11.70
Integrated Catalytic Combustion Unit RCO Furnace - Exhaust Gas Treatment System with Activated Carbon Adsorption-Desorption and Catalytic Combustion
$231,249.00
Universal Waterproof and Sunproof Cover for E-Bike Charger with Outdoor Storage Box
$11.85
Baohong Paper Brick Watercolor Paper Pad, Medium/Coarse Texture, Square/Round Shapes for Painting, Sketching, and Cotton Pulp Practice
$28.00
Commercial Food Warmer Cabinet for Pies, Youtiao, Burgers, Egg Tarts, and Fried Chicken, Heating and Temperature-Controlled Display Case
$977.00
Masking Tape Spray Paint Shielding Paper for Art Students and Sketching - Non-bleeding, Residue-free, Hand-tearable, Shoe-safe
$1.00
Electric Scooter and Motorcycle Hook - Multi-Functional Storage Hanger for Delivery Bikes and Cargo Boxes
$2.50
Huirui 420AB Fast-Drying Glue for Silicone - Bonds ABS, Stainless Steel, TPE, Rubber; High-Strength Instant Adhesive for Difficult Materials
$36.00
Color Proofing Instrument Ink Mixing Tool Sample Making Machine
$1,860.00
Variable Frequency Drive 0.75kW 2.6A Three-Phase 380V
$1,430.00
2026 Spring PEP New Edition Primary English Grade 3 Volume 2 Four-Line Three-Grid Word Cards for Teachers, Open Class Competition Creative Blackboard Design, Teaching Contest Blackboard Strips and Teaching Aids
$11.30
Cold Brew Yogurt Fermentation Equipment - Manual Old-Style Yogurt Processing and Filling Line
$113,050.00
Electric Spray Painting Pen Set for Babies and Toddlers, Non-Toxic Washable Watercolor Markers, Drawing Tool Kit Toy
$49.50
![[Buy 2 Get 10% Off] Painted Double-Layer Wool Felt Mat for Calligraphy and Painting](https://www.gosteppe.com/cache/small/product/270133/legacy-main-a12ad5b62abb27a9a45afaf4.png)
[Buy 2 Get 10% Off] Painted Double-Layer Wool Felt Mat for Calligraphy and Painting
$7.48
Compact Home Range Hood, Portable USB Desktop Smoke Extractor for Living Room Hot Pot and BBQ Odor Removal
$41.00
![[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)
