Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Chip Model | MAX31865 |
| Supported Sensor Types | PT100, PT1000 RTD |
| Interface Protocol | SPI (Serial Peripheral Interface) |
| Operating Voltage | 3.0V to 3.6V |
| Temperature Range | -200°C to +850°C (dependent on RTD) |
| Resolution | 15-bit (0.03125°C per LSB) |
| Accuracy | ±0.5% typical at room temperature |
| Fault Detection | Open circuit, High/Low voltage monitoring |
| Board Dimensions | 22mm x 18mm |
| Connector Type | 5-pin Screw Terminal Block |
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable for HVAC monitoring
I am using three of these to monitor temperatures in different zones of my home automation system. They have been running 24/7 for two months without any drift or errors. Highly recommended.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for Arduino Projects
This module works flawlessly with my Arduino Uno. The SPI library provided in the examples made integration very simple. Readings are stable and match my calibrated thermometer within a fraction of a degree.
Anonymous
Mar 08, 2026
Rating: 5/5
Excellent replacement for expensive units
We needed several temperature data loggers for a school project. These modules paired with a Raspberry Pi offered professional-grade results at a fraction of the cost of commercial units.
Anonymous
Mar 07, 2026
Rating: 5/5
Robust fault detection
The built-in fault detection is a lifesaver. It immediately flags when the RTD wire gets disconnected, which prevents my control system from reading erroneous low temperatures. Very reliable module.
Anonymous
Mar 02, 2026
Rating: 3/5
Works but documentation could be better
The hardware itself seems solid, but I struggled a bit with the register configuration for 4-wire vs 3-wire setups. Once I found a forum post explaining the bias resistor settings, it worked fine.
Anonymous
Mar 02, 2026
Rating: 4/5
Great accuracy, needs careful wiring
The sensor is very accurate once set up correctly. I had some noise issues initially because my SPI wires were too long, but after shortening them and adding a capacitor, it works perfectly. Good value for the price.
Q: Does the package include the PT100 probe?
A: No, this listing is for the detector module only. The PT100 or PT1000 resistance temperature detector probe must be purchased separately.
Q: What is the maximum update rate for temperature readings?
A: The conversion time is typically 60ms. You can read new data approximately every 60-70ms depending on your SPI clock speed and processor overhead.
Q: Does this module support 2-wire PT100 sensors?
A: Yes, it supports 2, 3, and 4-wire configurations. For 2-wire setups, you will need to bridge the appropriate terminals on the screw block as indicated in the datasheet.
Q: Is a separate power supply required for the RTD sensor?
A: No, the MAX31865 provides the necessary excitation current for the RTD directly from the module. You only need to power the module itself with 3.3V.
Q: Can I use this with a 5V microcontroller like standard Arduino?
A: The module operates at 3.3V logic. While it can be powered by 5V VIN on some boards, the SPI pins require 3.3V levels. We recommend using a level shifter if your MCU is strictly 5V logic to avoid damage.
Jiuzheng Tongming Submerged Solenoid Pulse Valve TMF-Y-25/40/50/62/76S, Dust Removal Pulse Blowing Valve
$150.00
Large Water Bucket Stand – Storage Rack for Office Purified Water Dispensers and Mineral Water Containers
$282.56
Double Loop Chain Lifting Sling, Manganese Steel Double-End Ring Hoisting Chain, G80 Manganese Steel Lifting Rigging 1/2/3/5T
$98.00
Hesdige JG-376 Portable Stone Removal Hook - Multi-Function Tool for Cleaning Gravel from Car Tire Treads
$16.91
Used 90% Condition Removed Car Tires 165 175 185 195 205 215 225 235/50 55 60 65 R13 14 15 16 17
$68.00
Blower Assembly AC Motor Fan for Changan CS75, Raeton CC, Oshan A800, and CS35 - Original Equipment
$427.73
Professional Sketch Blending Knife - Gray Tone Sponge Blender for Details and Highlights - Art Exam Tool
$2.90
Yuanzhi Water Bucket Rack 3/4/5 Tier Single Row with Board V-Shaped Water/Paper Cup Pure Mineral Water Bucket Storage Stand
$143.00
Rubber Wheel Chock 460x180x160 Anti-Slip Triangular Wedge
$354.33
Household Small Range Hood Portable USB Desktop Smoke Extractor for Living Room Hot Pot BBQ Odor Removal Mini Fume Extractor
$39.00
Household Water Dispenser Stand - Multi-Tier Floor Rack for Bottled Pure Water and Mineral Water in Offices
$129.74
WYPALL* Microfiber Cleaning Cloths Yellow 83610, 6 Sheets/Pack * 4 Packs/Case
$132.76
Ceramic Ink Dish, Water Dish, Brush Rest, Ice-Crack Ink Box, Multi-Function Brush Washer, Ink Stone, Brush Holder, and Kung Fu Tea Cup
$1.90
Car Tire Stone Removal Hook, Foldable and Extendable Tool for Extracting Pebbles from Treads
$2.07
Touchscreen Waterproof Phone Pouch for Swimming and Rafting, Sealed Bag for Beach, Sand, Snorkeling, and Underwater Photography
$5.53
Chunfei Grocery Store Yunan GR02 Gravel Bike, Thru-Axle, Mechanical Disc Brakes, Lightweight Touring Setup with Multiple Rack Mounts
$6,441.00
Electric Guitar Tutorial for Beginners - 7-Week Self-Study Plan with Exercises, Corrections, and Materials
$219.00
Professional Bathtub-Style Brush Washing Set - Cute 3-Piece Watercolor and Chinese Painting Brush Cleaner with Palette
$11.80
![[Sold Out & Discontinued - Display Only] Radish Defense ABO20.0 Spring Tour Series Blind Box Figure](https://www.gosteppe.com/cache/small/product/269201/legacy-main-5af4651a8d30dc42d9412600.png)
[Sold Out & Discontinued - Display Only] Radish Defense ABO20.0 Spring Tour Series Blind Box Figure
$16.90
Ebru Marbling Plastic Tool Kit – Needles, 3-Prong Combs, Cones, Straws, and Droppers for Peacock Patterns
$1.28
CANDLE.LAB | Silicone Border Mat for DIY Scented Candles and Soap Making Tray Mold
$32.00
Shiji Runde Coal Shed Mine Dust Removal Explosion-Proof Anti-Freezing Fog Cannon Port Dust Suppression 80m Ultra-Fine Industrial Fog Machine
$4,180.00
Mobile Retractable Spray Booth for Furniture - Foldable Track-Mounted Painting Room
$6,240.00
Long Handle Bristle Paint Brush - Hog Hair Brush for Oil Painting, Acrylic Wall Art, and Children's Drawing
$1.80
Electrostatic Powder Coating Equipment and Electronic Powder Dispenser Supply
$17,250.00
DIY Toast-Shaped Silicone Mold for Handmade Soap - Square Soap Making Mold
$105.00
Kindergarten Sponge Stamp Set – Mushroom-Head Circular Printing Tools for Kids' DIY Art and Painting Kits
$3.50
Heavy-Duty Lifting Chain Set – Manganese Steel Chains with Hooks, Rings, and Hoist Accessories
$198.00
Car Tire Stone Removal Tool, Multi-Function Groove Hook for Portable Tire Picking and Cleaning
$11.50
m Dogs Strap Auto Retractable Dual Dog Leash With
$199.92
![[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)
