Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Model	MLX90614ESF
Interface Type	I2C / SMBus
Operating Voltage	3.3V - 5V DC
Measurement Range (Object)	-70°C to +380°C
Measurement Range (Ambient)	-40°C to +125°C
Accuracy	±0.5°C at room temperature
Field of View	90 degrees
Response Time	0.5 seconds (63% step)
Output Resolution	0.02°C
Package Type	TO-39 with GY-906 Breakout Board

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Good value, needs calibration for high heat

Great little sensor for the price. It works perfectly for room temperature monitoring. I noticed slight deviations when measuring objects above 200°C, but for general hobbyist use, it is more than sufficient.

Anonymous

Mar 28, 2026

Rating: 5/5

Industry standard chip on a handy board

Having the Melexis chip on this GY-906 board makes prototyping so much easier. No need to deal with tiny SMD components. Highly recommended for anyone doing thermal sensing projects.

Anonymous

Mar 21, 2026

Rating: 5/5

Perfect for Arduino projects

This sensor module works flawlessly with my Arduino Uno. The I2C communication is stable, and the library support is excellent. Reading temperatures is instant and seems quite accurate compared to my contact thermometer.

Anonymous

Mar 19, 2026

Rating: 5/5

Compact and reliable

The breakout board layout is very clean. Pin headers were pre-soldered which saved me time. Integrated it into a small robot arm to detect object heat signatures without any issues.

Anonymous

Mar 10, 2026

Rating: 5/5

Fast shipping and great performance

Arrived well-packaged. Setup took less than 10 minutes using the standard Adafruit library. The non-contact measurement is exactly what I needed for my smart home thermostat prototype.

Anonymous

Mar 01, 2026

Rating: 3/5

Works but documentation could be better

The hardware itself seems fine and gives readings, but I struggled a bit to find clear wiring diagrams for ESP32 specifically. Once I figured out the pull-up resistors, it worked okay.

5 FAQ

Q: Can this sensor measure human body temperature accurately?

A: Yes, within its accuracy specifications. It is often used for fever screening prototypes, but please note it is not a certified medical device.

Q: Is this compatible with Raspberry Pi?

A: Absolutely. Since it uses the I2C protocol, you can easily connect it to the GPIO pins on any Raspberry Pi model with Python libraries.

Q: Can I use 5V logic directly or do I need a level shifter?

A: The MLX90614 on this board generally supports 3.3V to 5V operation. However, if your microcontroller is 3.3V only, ensure the sensor is powered at 3.3V for safe I2C communication.

Q: Does the module come with connecting wires?

A: The module usually comes with header pins installed. Jumper wires are sometimes included depending on the specific seller package, but we recommend having your own Dupont wires ready.

Q: What is the maximum distance for accurate measurement?

A: Accuracy depends on the target size relative to the Field of View (90°). For best results, the target should fill the sensor's view; typically effective within a few centimeters to a meter depending on object size.

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