MAX31865 RTD Temperature Module PT100 to PT1000 | SPI
MAX31865 RTD Temperature Module PT100 to PT1000 | SPI
MAX31865 RTD Platinum Resistance Temperature Detector Module — PT100 to PT1000
The MAX31865 RTD Temperature Detector Module is a precision temperature sensing solution designed for engineers, makers, and electronics enthusiasts who demand accurate and reliable temperature readings. Compatible with a wide range of platinum resistance temperature detectors — from PT100 to PT1000 — this module makes it easy to integrate high-accuracy temperature sensing into your Arduino, Raspberry Pi, or any SPI-compatible microcontroller project.
Key Features
- Wide Compatibility: Supports PT100, PT500, and PT1000 platinum RTD sensors for flexible use across a broad range of applications.
- High Accuracy: The MAX31865 IC delivers precise resistance-to-digital conversion, providing reliable temperature data for demanding projects.
- SPI Interface: Standard 4-wire SPI communication makes integration with microcontrollers fast and straightforward.
- 2, 3, or 4-Wire RTD Support: Versatile wiring configuration options allow compatibility with most commercially available PT100/PT1000 probes.
- Fault Detection: Built-in fault detection circuitry alerts you to sensor faults including over/under range and short circuits.
- Compact Form Factor: Small PCB footprint is ideal for integration into enclosures, prototyping boards, or embedded systems.
- Condition: Brand new.
Technical Specifications
- IC: MAX31865
- Compatible Sensors: PT100 to PT1000 platinum RTD
- Interface: SPI (Serial Peripheral Interface)
- RTD Wiring: 2-wire, 3-wire, and 4-wire configurations supported
- Supply Voltage: 3.3V / 5V compatible
- Condition: New
- Made in Mainland China
What's in the Box
- 1 × MAX31865 RTD Platinum Resistance Temperature Detector Module
Ideal Applications
- Industrial temperature monitoring and data logging
- DIY electronics and maker projects
- Arduino and Raspberry Pi temperature sensing setups
- Laboratory and scientific instrumentation
- HVAC and environmental monitoring systems
- 3D printer heated bed or hotend temperature control
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Frequently Asked Questions
Q: What microcontrollers are compatible with the MAX31865 RTD Temperature Detector Module?
A: The MAX31865 module uses a standard SPI interface, making it compatible with virtually any SPI-capable microcontroller, including Arduino (Uno, Mega, Nano), Raspberry Pi, ESP8266, ESP32, and more. Many open-source libraries are available to help you get started quickly.
Q: Can the MAX31865 module work with both PT100 and PT1000 sensors?
A: Yes! The MAX31865 RTD module supports platinum resistance sensors across the full PT100 to PT1000 range. You can configure the on-board reference resistor to suit your specific sensor type, giving you maximum flexibility for your project.
Q: Does this module support 2-wire, 3-wire, and 4-wire RTD connections?
A: Absolutely. The MAX31865 module supports 2-wire, 3-wire, and 4-wire RTD wiring configurations. The wiring mode can be selected via on-board solder jumpers or configuration registers, allowing you to minimize errors introduced by lead resistance — especially important for precise temperature measurements over longer cable runs.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.