Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Interface Protocol	SPI
Supply Voltage	3.0V to 3.6V
Supported Sensors	PT100, PT1000
ADC Resolution	15-bit
Temperature Accuracy	±0.5°C (typical)
Operating Temperature	-40°C to +85°C
Conversion Time	100ms (nominal)
Fault Detection	Open/Short Circuit
PCB Dimensions	22mm x 16mm
Connection Type	3-Pin Screw Terminal

5 reviews

Anonymous

Apr 09, 2026

Rating: 5/5

Perfect for PT1000

Plug and play with CircuitPython libraries. Saved me a lot of development time.

Anonymous

Mar 15, 2026

Rating: 5/5

Great for 3D Printer

Easy to integrate into my hotend control system. Much better than the standard thermistor.

Anonymous

Mar 01, 2026

Rating: 4/5

Good Value

Solid module but requires 3.3V logic level shifting if using with 5V microcontrollers.

Anonymous

Feb 20, 2026

Rating: 5/5

Excellent Precision

Works flawlessly with my Arduino project. Readings are stable and consistent over time.

Anonymous

Feb 09, 2026

Rating: 5/5

Reliable Sensor

Using it for environmental monitoring in my greenhouse. Very consistent data logging.

5 FAQ

Q: What is the maximum sampling rate?

A: You can achieve approximately 10 samples per second depending on your SPI clock speed and setup.

Q: What library do you recommend for ESP32?

A: The Adafruit MAX31865 library is fully compatible and works well with ESP32 boards.

Q: Does it support 3-wire RTD configurations?

A: Yes, the MAX31865 supports 2, 3, and 4-wire RTD configurations via jumper settings.

Q: Is the module itself waterproof?

A: No, the PCB module is not waterproof. Only the connected probe may be waterproof depending on your choice.

Q: Can I use this with a 5V Arduino Uno?

A: Yes, but you must use a logic level converter for the SPI pins as the module operates at 3.3V.

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