Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | DS18B20 |
| Measurement Range | -55°C to +125°C |
| Accuracy | ±0.5°C (from -10°C to +85°C) |
| Interface Protocol | 1-Wire Digital |
| Cable Length | 1 Meter |
| Probe Material | Stainless Steel 304 |
| Waterproof Rating | IP68 |
| Supply Voltage | 3.0V to 5.5V |
| Resolution | 9 to 12-bit configurable |
| Application | Aquariums, Hydroponics, HVAC |
Anonymous
Mar 26, 2026
Rating: 5/5
Great for learning projects
As a student working on an IoT project, this sensor was easy to integrate. The 1-wire protocol saves GPIO pins, and there are plenty of libraries available online to get started quickly.
Anonymous
Mar 24, 2026
Rating: 5/5
Reliable for fermentation monitoring
I use this to track temperatures during beer fermentation. The stainless steel probe is easy to sanitize, and the digital signal prevents interference from my other equipment. Highly recommended for home brewers.
Anonymous
Mar 22, 2026
Rating: 4/5
Good value, accurate readings
Bought this to monitor my reef tank temperature. It connects easily to my ESP32 board. The only reason for 4 stars instead of 5 is that the cable is a bit stiff, but performance-wise, it is excellent.
Anonymous
Mar 20, 2026
Rating: 5/5
Exactly as described
Fast shipping and the product matches the description perfectly. The sealing on the probe looks very professional. I am using it to trigger a fan when my server room gets too hot.
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for my hydroponic setup
This sensor works flawlessly with my Arduino controller. The waterproofing is genuine, and I've had it submerged in my nutrient tank for three weeks without any issues. Readings are consistent and match my calibrated thermometer.
Anonymous
Mar 07, 2026
Rating: 4/5
Holds up well outdoors
Installed this in a small outdoor pond. It has survived rain and direct sunlight without degradation. The temperature data helps me know when to adjust the heater. Solid build quality.
Q: Does it come with a pull-up resistor?
A: The sensor module itself does not include an external pull-up resistor. For proper operation on the 1-Wire bus, you typically need to add a 4.7kΩ resistor between the VCC and Data lines in your circuit.
Q: Is the stainless steel probe food safe?
A: The probe is made of 304 Stainless Steel, which is commonly used in food and beverage applications. However, for direct contact with consumables, please ensure your specific local regulations and hygiene standards are met.
Q: What is the maximum depth this sensor can withstand?
A: With an IP68 rating, this sensor is designed for continuous immersion. While specific pressure limits depend on installation, it is generally safe for typical aquarium, pond, and tank applications up to several meters deep.
Q: Is this sensor compatible with Raspberry Pi?
A: Yes, the DS18B20 is fully compatible with Raspberry Pi. You will need to enable the 1-Wire interface in the Raspberry Pi configuration settings and connect the data pin to a GPIO pin with a pull-up resistor.
Q: Can I extend the cable length?
A: Yes, you can extend the cable, but for long distances (over 10-20 meters), signal integrity may degrade. We recommend using shielded twisted-pair cable and ensuring a strong pull-up resistor if extending significantly.
F01RB0WA23 Transmission Valve for Roewe DQCT280 Remanufactured
$324.00
Full Payment Pre-order Guzi Bear DMMD Dramatical Murder Badge Polaroid Set Merchandise
$29.00
Peach Wood Sheepskin Rattle and Clapper Brass Traditional Handmade Baby Teething Hand Drum Newborn Gift Box
$29.90
Pirelli Run-Flat Tires 235/245/255/265/275/285 40 45 50 55R19R20R21
$350.00
Protective Case Lid for Pelican Cases - Laptop Insert for Models 1510, 1560, and 1535
$254.00
Universal 5800 Super Glue for Plastic, Metal, Glass, and Wood, 10-Second Fast Curing
$2.01
White Noise Wood Chip Core Grid Scented Candle Wooden Core S-Type Brand Name Candle Container Soy Candle Core Wood
$1.50
Zunjue 100% Cotton Paper Block 300g Watercolor Paper, Fine/Medium Grain, Thickened 80 Sheets, Neutral Acid-Free Journal Paper for Art Students, Beginners, Watercolor, Colored Pencil, Pen, Light Wash, Marker
$27.20
Outdoor Waterproof Dry Bag for Rafting and Creek Walking - Large Capacity Backpack for Swimming, Hiking, Diving, and Flood Rescue
$132.00
Lukang 995 Door and Window Fast-Drying Glass Sealant - Transparent Weather-Resistant Neutral Silicone Structural Adhesive
$222.90
Large Flip-Type Water Draining and Air Drying Machine, Fully Automatic Air Knife Blower for Vegetables, Commercial Continuous Drying Equipment
$15,282.00
Large Capacity Household Quilt Storage Bag - Waterproof and Moisture-Proof Duvet Organizer for Moving, Packing, and Luggage Sorting
$5.88
Scented Candle Aluminum Alloy Turntable 360-Degree Rotating Double-Sided Silent Non-Slip Small Turntable for Cake Decorating and DIY
$30.40
Ceramic Five Oxen Painting Brush Washer – Antique-Style Ink Well for Calligraphy & Traditional Painting
$16.90
Liupintang 3-in-1 Brush Washing Bucket with Palette - Portable Handheld Multi-Function Art Tool for Chinese Painting, Watercolor, and Gouache, Foldable Small Pail
$17.80
ZGT Type Damped Spring Vibration Isolator for Large Equipment such as Chillers and Diesel Generator Sets
$135.00
Shanlian Lake Brush Wool Felt Mat for Calligraphy and Painting, Washable Desk Pad for Beginners
$22.70
New Silicone Data Cable Protector, Anti-Break and Anti-Bite Cord Organizer for Charging Lines and Headphones, Universal Phone Accessory
$5.58
Cafeteria Bulb Vegetable Cutter - Complete Kelp Shredding Production Line, All-in-One Slicing, Dicing, and Shredding Machine
$10,000.00
Electric Water Dispenser Pump for Bottled Mineral Water - Automatic Press-Type Purified Water Pump Manufacturer
$113.00
Heavy-Duty Industrial Wiping Cloths for Auto Painting, Baking, Film Application, Detailing, and Degreasing – Absorbent, Oil-Removing, Lint-Free Paper and Cloth
$120.00
6-Cavity Oval Beehive Silicone Mold for DIY Handmade Soap - Heat-Resistant Non-Stick Large Mold for Milk and Essential Oil Soaps
$4.93
Data Cable Organizer Bag with Zipper for Charging Cables and Adapters - Dustproof Desktop Storage
$5.90
Auby Baby Rattle Toy for 6+ Months, Chewable Wave Drum and Shaker for Newborns and Toddlers
$24.90
Preferred 45L Industrial Pulping Machine Spinach Fresh Pulp Galangal Carrot Tomato Sauce Making Fruit and Vegetable Industry Blender
$7,632.00
KAD Professional Thickened Sketch Blending Stump - Dual-Head Smudging Pen for Art Students
$9.90
Beijing Imported Dental Implant Package - Appointment Booking, X-Ray, and Treatment Plan Included
$1.00
![Huahu [Top Layer Cowhide] Japanese-Style Men's Genuine Leather Belt, Simple Casual Business Wide Belt with Automatic Buckle](https://www.gosteppe.com/cache/small/product/269537/legacy-main-e3e965ff85d9032ca79f72b8.webp)
Huahu [Top Layer Cowhide] Japanese-Style Men's Genuine Leather Belt, Simple Casual Business Wide Belt with Automatic Buckle
$423.00
Wall-Mounted Towel Storage Box Large Capacity for Bathroom
$8.42
Loctite 480/411/403/407/406/414/420/401/415 Heat-Resistant 495 High-Temp 417/416 Instant Adhesive
$26.80
![[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)
