Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | GY-906 |
| Sensor IC | MLX90614ESF |
| Interface Type | I2C / SMBus |
| Supply Voltage | 3.3V - 5V DC |
| Object Temp Range | -70°C to 382.2°C |
| Ambient Temp Range | -40°C to 125°C |
| Measurement Accuracy | ±0.5°C around room temperature |
| Field of View (FOV) | 90 Degrees |
| PCB Size | 23mm x 19mm |
| Output Resolution | 0.02°C |
Anonymous
Mar 31, 2026
Rating: 5/5
Great for Arduino projects
Works perfectly with my Arduino Uno. Easy to wire up using the I2C library. Accurate enough for monitoring my 3D printer bed temperature.
Anonymous
Mar 18, 2026
Rating: 5/5
Reliable non-contact measurement
We used these in a student project to monitor motor heat. They were consistent and easy to integrate into our Raspberry Pi setup.
Anonymous
Feb 06, 2026
Rating: 5/5
Fast response time
Impressed with how quickly it updates the temperature reading. Perfect for my robotics application where I need to detect heat sources.
Anonymous
Feb 04, 2026
Rating: 4/5
Good sensor, narrow FOV
Solid performance. Keep in mind the 90-degree field of view means you need to be relatively close to the target for accurate readings. Not for medical use.
Anonymous
Jan 23, 2026
Rating: 3/5
Calibration needed
Works well out of the box but seemed slightly off compared to my contact thermometer. Had to apply an offset in the code. Good value though.
Q: Can I use this to measure human body temperature?
A: This sensor is designed for industrial and hobbyist object temperature measurement. It is not calibrated or certified for medical diagnostic use.
Q: What is the maximum distance for measurement?
A: Accuracy depends on the target size relative to the field of view. For small targets, close range is recommended.
Q: What library should I use for Arduino?
A: We recommend the Adafruit MLX90614 library or the standard Wire library for I2C communication.
Q: Does this work with 5V logic?
A: Yes, the module supports 3.3V to 5V logic levels.
Q: Is waterproof?
A: No, the PCB and components are not waterproof. Please house it in a suitable enclosure for outdoor use.
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