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Infrared Thermometer - MLX90614
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Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the...
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Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614’s high accuracy and resolution. It has a huge number of applications including body temperature measurment and movement detection.
The MLX90614 provides two methods of output: PWM and SMBus (i.e. TWI, I2C). The 10-bit PWM output provides a resolution of 0.14°C, while the TWI interface has a resolution of 0.02°C. The MLX90614 is factory calibrated in wide temperature ranges: -40 to 85°C for the ambient temperature and -70 to 382.2°C for the object temperature. The measured value is the average temperature of all objects in the Field Of View of the sensor. The MLX90614 offers a standard accuracy of 0.5°C around room temperatures.
This devices comes in an industry standard TO-39 package. We’re carrying the 3V version of this sensor.
Features:
- Small size, low cost
- Easy to integrate
- Factory calibrated in wide temperature range:
- -40 to +85°C for sensor temperature
- -70 to +380°C for object temperature
- SMBus compatible digital interface
- Customizable PWM output for continuous reading
- High accuracy of 0.5°C over wide temperature range (0 to +50°C for both Ta and To)
- Measurement resolution of 0.02°C
- Single and dual zone versions
- Simple adaptation for 8 to 16V applications
- Power saving mode
- Different package options for applications and measurements versatility
- Automotive grade
Documents:
Jargon buster
Plain-language definitions for the technical terms used above.
- ADC
- An analogue-to-digital converter reads a changing voltage and turns it into a number the microcontroller can use. It matters when connecting analogue sensors such as light, sound, or variable-resistor sensors.
- DSP
- Digital signal processing means using software or hardware to analyse or modify signals such as audio, vibration, or sensor readings. A board suited to DSP is useful when a project needs fast maths for filtering, synthesis, or real-time signal analysis.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
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MLX90614 Sensor Datasheet
Datasheet · 745.9 KB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 609.9 KB · Click any page to view full size
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Source Code
Open-source libraries, firmware & example projects for this product
Arduino library for the MLX90614 Infrared Thermometer.
C++
MIT
Update library.properties
a2fb758
almost 4 years ago
· 29 commits
- Documents Pass in wire to begin function over 5 years ago
- examples Add link to download library to examples over 5 years ago
- src rename writeEEPROM with writeMLXEEPROM almost 4 years ago
- .gitignore initial commit of library over 10 years ago
- keywords.txt Fixing typo in keywords. over 10 years ago
- library.properties Update library.properties almost 4 years ago
- LICENSE Initial commit over 10 years ago
- README.md initial commit of library over 10 years ago
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