Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | DS18B20 |
| Probe Material | Stainless Steel 304 |
| Waterproof Rating | IP68 |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (from -10°C to +85°C) |
| Interface Protocol | 1-Wire Digital |
| Supply Voltage | 3.0V to 5.5V DC |
| Cable Length Options | 1m, 2m, 3m |
| Wire Configuration | 3-Core Shielded Cable |
| Application | Aquariums, HVAC, Soil Monitoring, Industrial Tanks |
Anonymous
Mar 31, 2026
Rating: 5/5
Reliable for server room monitoring
Deployed five of these across our server racks. They have been running 24/7 without any dropouts. The 1-wire protocol makes wiring multiple sensors very simple.
Anonymous
Mar 28, 2026
Rating: 4/5
Great sensor, cable could be softer
Works flawlessly with my ESP32 project. The only minor downside is that the cable is a bit stiff, making it slightly hard to route in tight spaces, but the durability makes up for it.
Anonymous
Mar 28, 2026
Rating: 5/5
Robust build quality
I bought the 3-meter version to reach my outdoor compost bin. The construction feels very solid, and the connection at the probe head looks like it will last for years.
Anonymous
Mar 28, 2026
Rating: 4/5
Good value for money
For the price, you can't beat the accuracy. It's not industrial grade laboratory equipment, but for hobbyist and general monitoring purposes, it is spot on.
Anonymous
Mar 24, 2026
Rating: 5/5
Accurate brewing temperatures
Using this to monitor fermentation temps. It responds quickly to changes and the stainless steel probe is easy to sanitize. Highly recommended for home brewers.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for my hydroponic setup
The waterproof seal is excellent. I've had this submerged in my nutrient tank for three months with zero issues. The readings are consistent with my calibrated lab thermometer.
Q: Can I cut the cable to make it shorter if I don't need the full length?
A: Yes, you can cut the cable to your desired length. However, you must ensure you properly strip, twist, and re-seal the wires with heat shrink tubing and waterproof glue to maintain the IP68 rating.
Q: What is the response time for temperature changes?
A: Under typical conditions in water, the probe reaches 63% of a step change in about 10 to 15 seconds. Full stabilization usually occurs within 30 to 60 seconds depending on the medium.
Q: Does this come with a pull-up resistor built into the module?
A: This specific waterproof probe version typically does not include a built-in pull-up resistor on the cable end. You will need to add a 4.7kΩ resistor between the data and VCC lines on your microcontroller board.
Q: Do you offer a bulk discount for ordering 50 units?
A: Yes, we offer tiered pricing for bulk orders. Please contact our sales team via the 'Contact Seller' button on our store page with your required quantity for a custom quote.
Q: Is this compatible with Raspberry Pi GPIO pins directly?
A: Yes, the DS18B20 operates at 3.3V logic levels which are compatible with Raspberry Pi GPIO. Just remember to connect an external 4.7kΩ pull-up resistor as mentioned in our documentation.
Commercial Hanging Roast Duck Warmer Crispy Pork Belly Insulation Box Stainless Steel Countertop Roasted Meat Heater Cooked Food Display Cabinet
$317.00
2MM 3MM 4MM Natural Color-Gradient Amethyst Soccer-Cut Faceted Loose Beads - Semi-Finished Amethyst Cuts
$17.00
Educational Toys for Babies 0-3 Years - Newborn Rattle and Musical Stick for Boys and Girls (0-12 Months)
$12.80
Variable Frequency Drive Cabinet for Fans with Energy-Saving VFD Control
$11,334.00
Pure Water Bucket Stand with Manual Pump, Inverted Dispenser Rack for Large Bottles, Simple Water Dispenser
$4.65
Spray Tower Exhaust Gas Treatment System - Industrial Air Purification for Dust, Acid Mist, and Alkali Scrubbing
$1,738.00
Acrylic Markers Opaque Overlapping Colors Art Drawing Pens Specialized Ink Cores
$49.90
Cute Portable Invisible Aligner Case - Storage Box for Orthodontic Retainers, Teeth Correctors, and Dentures
$5.78
SolidWorks Software Remote Installation Service - Versions 2025/2024/2023/2022/2021/2020/2018
$10.00
Nylon Paint Small Brush Painting Brush Computer Cleaning Dust Brush Sweeping Gray Size Brushes BBQ Flat Brush
$0.90
Compact Home Range Hood - Portable USB Desktop Smoke Extractor for Hot Pot & BBQ
$41.00
Large Area Hollow Advertising Sign Spray Paint Stencil Customizable Bendable Lettering Board Wall Slogan Brushing Soft Mold
$5.00
Heavy-Duty Kitchen Sink Storage Rack, Dust-Proof Dish Drainer, Multi-Function Bowl Organizer
$85.00
Xinda Outdoor Waterproof Backpack - IPX7 Wet/Dry Separation Rucksack for River Trekking, Mountaineering, Snorkeling, Swimming, and Rafting
$109.55
![[Damai Patented Microneedle Hair Transplant] Hairline + Eyebrow Planting | 1000 Grafts Hairline + Both Eyebrows](https://www.gosteppe.com/cache/small/product/270086/legacy-main-ef9cf7c7623c5273ad865d7a.webp)
[Damai Patented Microneedle Hair Transplant] Hairline + Eyebrow Planting | 1000 Grafts Hairline + Both Eyebrows
$17,800.00
Pure Wool Calligraphy Felt Mat – Thickened, Wear-Resistant Fabric for Chinese Painting and Brush Writing; Custom Desk Pad
$1,440.00
Welding Fume Purifier – Effective Collection and Control of Welding Smoke and Dust
$12.40
FRP Stair Nosing, Yellow Anti-Slip Stair Treads with Granular Surface
$64.00
Stainless Steel Reaction Kettle, Emulsifying Tank, Electric Heating Reactor, Enamel-Glass Silicone Oil Reactor, and Mixing Vessel
$2,700.00
Wholesale Acrylic Markers in Bags, Student Water-Based Ink Pens, Eco-Friendly Non-Toxic Drawing Pens with Layering Capability
$5.80
Oil Pastel Blending Pen and Smudge Tool Set - Soft Tip Sponge Balls and Scrapers for Heavy Color Wax Crayon Blending and Painting
$12.50
Lechuang Commercial Electric Heated Display Warmer - Countertop Food Warmer for Cooked Foods, Bread, and Pizza
$1,250.00
Model 2500-480 Independent Rotary Die Second-Hand Special Sale Independent Light Pressure Front Edge with Die Cutting Speed 120-150
$2,000.00
Fishing Alarm Portable Electronic Fishing Bite Alarm Night
$60.27
Shengxitao 304 Stainless Steel Expandable Dish Drainer Basket for Kitchen Sink, Dish Rack Organizer
$58.60
Industrial Scouring Pad with Abrasive Grit - Sandpaper Cloth for Rust Removal, Polishing, and Dishwashing
$0.34
Traveling-Type Air Flotation Skimmer and Foam Remover, Reciprocating Fully Automatic Oil Skimming and Floating Debris Removal Machine
$5,159.00
Language of Drums Motion Path Set Drum Creativity Essence Rhythm Drum Kit Teaching Material Jazz Drum
$59.17
1.9m Wide-Format Sublimation Printer for Pillows, Garments, and Fabric Digital Printing
$600.00
Automatic Retractable Air Hose Reel - Pneumatic Shrinking Hose Drum Combo for Auto Repair (Air, Electric, Water) - National Standard
$228.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[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)
