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Seeed Studio

Seeed Studio Grove MLX90615 Digital Infrared Temperature Sensor

SKU CH-M7MN-167KZ

Non-contact infrared sensor measuring object temperatures up to 115 °C with 0.02 °C resolution via SMBus interface

  • Product typeSensors
  • Non-contact measurement avoids surface contamination
  • Detects object temperatures from 40 to 115°C
  • Sensor operates accurately between 40 and 85°C
  • ±1°C accuracy backed by 16-bit ADC resolution
  • Connect up to 127 sensors on two wires

Non-Contact Infrared Temperature Sensor

The Seeed Studio Grove MLX90615 is a digital infrared temperature sensor designed for non-contact measurement. It integrates an IR-sensitive thermopile detector and signal conditioning chip into a single package. The module uses a Grove-compatible interface for plug-and-play connectivity with Arduino and other platforms. It suits hobbyists and engineers building thermal monitoring or detection projects.

SMBus Interface and Detection Limits

Communication occurs via an SMBus-compatible digital interface, allowing up to 127 sensors to share a common two-wire bus. The sensor measures ambient temperatures from 40 to 85°C and object temperatures from 40 to 115°C. Accurate object readings require the target to be within 3 cm of the sensor without touching it. The module achieves a measurement resolution of 0.02°C.

Accuracy Decides Suitability

The single specification that determines fit is the stated accuracy of 1°C across the operating range. Applications requiring tighter tolerances must look elsewhere. This sensor serves well for general-purpose thermal sensing where 1°C precision is acceptable. Buyers needing higher precision or wider temperature spans cannot meet those needs with this module.

How it compares

Measured against everything we stock in Sensors, Transducers & Thermometers, at today’s prices. Recalculated every night.

Price $42.99
Typical for this category: the median of 255 items is $39.99.

Specifications

Product
Product typeSensors

Questions about this item

What temperature ranges can the MLX90615 sensor measure?

The sensor detects ambient temperatures from 40 to 85°C and object temperatures from 40 to 115°C, with a high accuracy of 1°C across the range.

What measurement resolution does the sensor achieve in practice?

The integrated 16-bit ADC and DSP deliver a resolution of 0.02°C, enabling fine-grained non-contact temperature readings.

How many MLX90615 modules can share the SMBus interface?

Up to 127 sensors can be addressed on the same two-wire SMBus, allowing dense multi-point temperature monitoring.

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