Comparison page

MLX90614 vs SHT31

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

MLX90614

Projects needing IR temperature and Non-contact with a commonly available sensors part.

SHT31

Projects needing High accuracy and I2C with a commonly available sensors part.

Specification Matrix

DimensionMLX90614 SHT31

CategorySensorsSensors

MakerMelexisSensirion

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino, MicroPython

Price$8.00 - $20.00$3.00 - $6.00

Known Tradeoffs

MLX90614

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

SHT31

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

MLX90614

Melexis

Infrared temperature sensor used for non-contact temperature measurement projects.

China-madeSensors78% confidence

SHT31

Sensirion

Digital humidity and temperature sensor used in more accurate environmental monitoring modules.

China-madeSensors86% confidence