SeeedStudio Grove 1 Wire Thermocouple Amplifier (MAX31850K)


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SKU: 1147639
  1. Operating Voltage 3.3V / 5V
  2. 64-bit ROM
  3. Temperature Resolution 14 bits
  4. Detects Open Thermocouple
  5. Battery Exclude


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Category: Temperature & Humidity Sensor
Tags: K-Type Thermocouple Sensor

The Grove – 1-Wire Thermocouple Amplifier (MAX31850K) is a thermocouple-to-digital converter with 14-bit resolution and cold-junction compensation. This module is designed to be used in conjunction with a k-type thermocouple. The thermocouples have a much larger measurement range than thermistors. For example, this k-type thermocouple on our website has a measurement range of -50℃ to +600℃.

This module is based on the MAX31850K, which integrates amplifier, ADC and 64-bit ROM. Thanks to the 64-bit ROM, each device has a unique 64-bit serial code, which allows multiple units to function on the same 1-Wire bus. Therefore, it is simple to use one microcontroller (the master device) to monitor temperature from many thermocouples distributed over a large area.

Getting Started with SeeedStudio Grove 1 Wire Thermocouple Amplifier (MAX31850K)

Pinout Diagram:Seeed Studio Untitled 13

Seeed Studio Dqw


  1. Integrated Cold-Junction Compensation
  2. Wide Conversion Range: allow readings from -270℃ to +1768℃
  3. 14-Bit, 0.25℃ Resolution
  4. Will not work with any other kind of thermocouple except K type
  5. Detects Thermocouple Shorts to GND or VDD
  6. Detects Open Thermocouple

Package Includes :

1 x SeeedStudio Grove 1 Wire Thermocouple Amplifier

Operating Voltage (VDC)

3 ~ 5

Allow Reading Range

-270℃ to +1768℃

Temperature Resolution

14 bits

Temperature Accuracy

± 2℃


Input Jack DIP Female Blue-2Pin, Output Interface 1-Wire bus

Operating Temperature (°C)

-40℃ to +125℃

Storage Temperature Range

-65℃ to +150℃

Dimensions (LxWxH) mm

40mm x20mm x18mm

Weight (g):


Shipping Weight 0.02 kg
Shipping Dimensions 5 × 5 × 1 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China