Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | DS18B20 |
| Package Type | TO-92 |
| Interface | 1-Wire Digital |
| Temperature Range | -55°C to +125°C |
| Accuracy | ±0.5°C (from -10°C to +85°C) |
| Resolution | 9 to 12-bit configurable |
| Supply Voltage | 3.0V to 5.5V |
| Condition | Brand New |
| Origin | Domestic Manufacturing |
| Application | Industrial Control, HVAC, Battery Systems |
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for Arduino Projects
These sensors work flawlessly with my Arduino setup. The 1-wire protocol makes wiring very simple, and the temperature readings are consistent and accurate.
Anonymous
Mar 17, 2026
Rating: 5/5
Exactly as described
Arrived quickly and matched the description perfectly. The TO-92 package is standard and easy to solder onto perf boards.
Anonymous
Mar 15, 2026
Rating: 4/5
Good value for bulk purchase
Bought a pack for a home automation project. Most of them worked perfectly out of the box. One had a slightly loose pin, but overall great value for the price.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable for soil monitoring
I waterproofed these myself and buried them in my garden beds. They have been running for three months without any drift in data. Highly recommended.
Anonymous
Mar 11, 2026
Rating: 5/5
Easy to code for
As a beginner, I found plenty of libraries available for this chip. It responded immediately to my test sketches. Great learning component.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid performance
We used these in our robotics competition bot. They handled the voltage fluctuations well and provided fast enough updates for our needs.
Q: Can I connect multiple sensors to a single GPIO pin?
A: Absolutely. The DS18B20 supports multi-drop capability, allowing you to connect many sensors to one data line, each identified by a unique serial number.
Q: What is the maximum cable length for reliable operation?
A: While it depends on cable quality and environment, standard practice suggests keeping cables under 50 meters for optimal signal integrity without additional buffering.
Q: How do I identify individual sensors if I daisy-chain them?
A: Each chip comes factory-programmed with a unique 64-bit ROM code. You can use a search command in your code to list and address each sensor individually.
Q: Is this compatible with 3.3V logic systems like Raspberry Pi?
A: Yes, the DS18B20 operates between 3.0V and 5.5V, making it directly compatible with 3.3V systems such as the Raspberry Pi.
Q: Does this sensor require an external pull-up resistor?
A: Yes, for reliable communication on the 1-Wire bus, a 4.7kΩ pull-up resistor between the data line and VCC is strongly recommended.
Wen Zhengming Red Cliff & Tengwang Pavilion Copybook - 2-Volume Running Script Long Scroll for Calligraphy Practice
$22.00
Commercial Food Warmer Cabinet, Double-Layer Display Unit for Western Restaurants and Burger Shops, Wholesale Two-Tier Heating Showcase
$2,527.00
Electromagnetic Pulse Valve Blow-Type Submerged Right-Angle Explosion-Proof Solenoid Valve
$152.00
Pure Brass Backflow Incense Holder with Wooden Base, Incense Burner Stand for Sandalwood
$4.17
Multi-Function Over-Toilet Freestanding Shelf - Bathroom Storage Rack for Sink Area and Behind-Toilet Space
$958.10
Catalytic Combustion Equipment RCO Activated Carbon Adsorption Desorption Integrated Machine Industrial Plastic Waste Gas Purification Treatment Device
$4,400.00
RoHS Ten Hazardous Substance Alloy Analysis and Coating Thickness Gauge - EDXRF Environmental Testing Instrument
$10,856.00
Outes Air Energy Water Heater for Home Heating, Inverter Floor Heating & Central AC All-in-One Unit
$18,000.00
2025 Limited Edition Colorful Mesh Tofu Bag - Ultra-Light Breathable Multi-Purpose Storage Pouch
$11.90
Liupintang Calligraphy Felt Mat – Traditional Chinese Style Cultural Creative Painted Desk Pad for Brush Writing, Practice, and Ink Painting
$19.30
Shengneng Commercial Air Source Heat Pump Host KFXRS-40Ⅱ
$45,000.00
Yiyi Electric Pad Printing Ink Cups (150/175/300/380) - Magnetic Doctor Blade Ink Wells for Coding Machines
$68.00
ML-150 Standard Material Leveling Machine - Economical and Practical Model
$11,780.00
3-in-1 Multi-Function Paint Brush Washer with Palette Compartments for Art Students
$5.02
Silicone Dental Retainer Case - Portable Storage Box for Orthodontic Aligners & Dentures
$19.30
Natural Crystal Raw Stone Aroma Diffuser Ornament Rose Quartz Crushed Stone Rough Ore Home Flameless Aromatherapy Healing Gift
$3.90
Blue Scale Line Printing Machine Pad with Ruler Markings for Water-Based Ink Printing
$80.00
Sponge Drain Rack for Kitchen Countertop - No-Drill Sink Organizer for Cloths and Narrow Edge Faucet Storage
$5.80
Kids' Art Round Sponge Stamp Brush for Kindergarten DIY Crafts, Mushroom Head Painting Tool
$3.59
Caiyan Art Blending Stumps for Oil Pastels and Sketching – Washable EVA Tips for Smooth Color Transition; Non-Staining, Ideal for Art Students
$6.50
Paper Blending Stump Set for Sketching, Oil Pastels, and Highlighting – Ultra Soft
$3.83
Tire Stone Removal Hook with Built-in Screwdriver - Multi-Function Tool for Tire Cleaning, Window Breaking, and Self-Defense
$8.90
Blower Motor Compatible with Hummer H3, Hummer H2, and Cadillac Escalade
$340.00
Custom Fertilizer Integration Machine for Agriculture and Landscaping - Smart Quantitative Mobile Filtration System
$1,960.00
High-Speed Cell Sieve with Handle - Stainless Steel Laboratory Sieves (100, 200, 300, 400, 600 Mesh)
$61.74
Stainless Steel Food Warmer for Hotels and Breakfast Buffets - Commercial Flip-Top Chafing Dish with Insulation; Compatible with Induction Cookers
$1,288.00
Marie's Blending Stumps Set for Sketching and Shading, Professional Art Supplies for Students
$2.55
National Standard JB/ZQ4606-86 Felt Oil Seal Ring - Bearing Oil Absorption, Dustproof, Industrial Wool Felt Gasket Strip
$0.50
Qingzhu Sketching Eraser Knife and Paper Stump Tool Set for Art Students - Includes Replacement Tips, Gray Surface Pens, Makeup Sponge Blenders, Cotton Swabs, Foam Balls, Soft Blending Pens, Precision Insert Knives, and Sketch Eraser Balls
$7.20
4-Leg Chain Rigging Set - Alloy Steel Lifting Tool (1-200 Tons) with Multi-Leg Electromagnetic Chuck
$52.50
![[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)
