Mlx90614 i2c Power Supply: Ensure that the power supply is within the specified voltage range. Send and receive data through infrared (IR) between The MLX90614 sensor comes equipped with an optical filter that blocks visible and near-infrared light, minimizing their impact on temperature measurements. Sign in Product This is similar, though not identical, to the I2C bus. Here we are connecting the SDA & SCL pin of MLX90614 to GP0 (Pin 1) & GP1 (Pin 2) of Pi Pico respectively. Gravity: I2C Non-contact IR Temperature Sensor For Arduino (MLX90614-DCC), due to its large field of view (FOV = 35°), is more suitable for commercial Then I suggest you connect the MLX90614 to the Arduino and run the I2C scanner code. The sensor is connected to an ATmega328 running at 3. I tried sending this sequence slave address(as 0x00 and 0x5A) Using MLX90614 OR is I2C and SMBus compatible? Ask Question Asked 13 years, 11 months ago. What is required is to force the mlx90614 out of its PWM-state by holding the SCL low for at least 2ms. 2. Bạn có thể kết nối nó với đầu ra 3,3V hoặc 5V từ Arduino của bạn. ; We create an object called mlx to represent the sensor. You switched accounts on another tab or window. 1 I dont know exactly why provided python code doesnt work but I have tried other i2c library and it started working. #include <LCD. MD wants it, it can stop the communication after the first byte. system February 2, 2012, 12:06am 1. Here the code: #include <Wire. Please be positive and constructive with your questions and comments. I2C connection. 1. The Arduino IDE requires MLX90614 Library to interface the MLX90614 with Arduino Board. I am using the Wire library and connected the sensors as described in the documentation. Dosah měření je až několik metrů. ; In the setup(), we start communication with the sensor using mlx. cpp library after substituting in the debug code that you provided: The sensor uses the i2c protocol and in fact I can detect it using the command: I made a short example code in C for MLX90614 IR sensor, with BCM2835 driver for reading and logging ambient and object temperature to log. ( Arduino and Multiple MLX90614 Sensors - Chris Ramsay) // remap_mlx90614. The i2c parameter is an initialized I²C bus, and the optional address specifies which sensor to connect to, if you have more than one and have changed their addresses with the Addr pin. I manage to make one sensor (either MLX or MPU) working at a time, but not the 2 sensors at same time on same bus. So the problem is less the sensor, than my limited programing skills. Improve this answer. But I could not find a solution to change/assign the I2C address. You can do that by visiting the The MLX90614 is a contactless IR Temperature sensor which can measure temperature without even touching the object. Hi, I’ve connected the MLX90614 IR sensor to I2C bus of Jetson Nano using the PyMLX90614 python library. The library supports the I2C communication. " The MLX90614 returns PEC after 16 bits data of which only 4 are meaningful and if the. Using latest core and this Arduino code, it doesn't work anymore. The communication between the MLX90614 is done via I2C communication. The pinout of the non-contact MLX90614 IR Temperature Sensor module is as shown: MLX90614 has two versions and is available in the TO-39 package. How the Code Works. i2c. However, it can vary with different versions of the sensor. MLX90614 supports only 100KHz i2c. Then created the . If I don't Program that allows handling three I2C devices, which are a memory (24LC512), a temperature sensor (MLX90614), and a temperature and relative humidity sensor (SHT3x). Working Principle of MLX90614. To set a new emissivity I need to change the values in two EEPROM cells of the MLX, 0x04 and 0x0F. If us Do you have the 3. SPECIFICATION. -100,1007 ,. ; Use the You signed in with another tab or window. Also, I've checked with I2C MLX90614 Non-Contact IR Temperature Sensor Pinout, Pin configuration, Features, Interfacing with Arduino, Applications and Examples. Modul Board GY-906 MLX90614. GND là mặt đất. 1 2 3 4 MLX90614¶ class mlx90614. However, I am not able to read data from both sensors. Supply MLX90614 is an infrared thermometer for non-contact temperature measurements. Automate any workflow . h> //library oled #include When hooking an mlx90614 in the factory PWM state to the I2C bus on the RPi2, the i2cdetect reports hundreds of I2C devices on the bus. begin() and start the serial monitor with Serial. 3V - 5V; Measurement Accuracy: ±0. The library is built by Sparkfun & Adafruit both. Strangely, I keep getting 0xFFFF for any temperature readings (registers 0x06 and 0x07) for 10-15 attempts before getting the correct reading. So, by using only two wires we can communicate with the MLX90614 An Arduino library that interfaces with the MLX90614 non-contact infrared thermometer over a 2-wire, I2C-like interface (SMBus). Post here about your Arduino projects, get help - for Adafruit customers! Moderators: adafruit_support_bill, adafruit. 6: 7046: May 6, 2021 MLX90615 in PWM mode interfaced with Arduino UNO. h at master · phant0master/mlx90614_stm32 i2c driver thermometer spin infrared propeller mlx90614 p8x32a p2x8c4m64p propeller2. The pinout of the non-contact MLX90614 IR esphome MLX90614 I2C IR Temperature Custom Sensor (GY-906) These sensors are what's in an ear thermometer and provide quite quick reading of an object's temperature from many centimetres away. سنسور دما MLX90614 _ از نمای پشت; ماژول MLX90614 _ از نمای پشت . کد نویسی MLX90614 is an infrared thermometer for non-contact temperature measurements. Tue Mar 15, 2016 8:13 pm [SOLVED] MLX90614 i2c on Raspberry Pi Took a bit of reading through the forum, it appears to be solved in 3 ways. I'm sorry I'm Also just tried it with the other MLX sensor that I have, as well as with another ESP32 of the same model, and the results were the same. When I say i2c list, the address of the device does not appearWhen I say i2c list, the address of the device does not appear. I Hi. Viewed 2k times 4 This is an evaluation board for the MLX90614 IR Thermometer. The MLX90xxx series devices do sometimes have trouble with the I2C. Cảm biến nhiệt độ Reading data from multiple Melexis MLX90614 IR Sensors I2C. 00bpm / SpO2: 0%. MLX90614 is a powerful infrared sensing device with a very low noise amplifier and a 17-bit ADC. Autonomous Machines. Reload to refresh your session. However, I'm not familiar with the I'm trying to connect ESP32-S2 with MLX90614 via I2C interface and have connected SDA to PIN8 and SCL to PIN9 of ESP32-S2. Following i2c devices are used. 7kΩ pull-up The MLX90614 has a fixed I2C address, you can only connect one sensor per microcontroller! To begin reading sensor data, you will need to download Adafruit_MLX90614 from our github repository. LCD i²c; LCD i²c . c and mlx90614. 23 posts 1; 2; Next; JaBo Posts: 14 Joined: Tue Jul 01, 2014 11:59 pm. But when I try to add an I2C display device into the circuit, the MLX90614 outputs are just junk and the display (a small OLED device) doesn't work. So if you set 0x5A to eeprom, you will use 0xB4 with the I2C2PC commands. Modified 12 years, 3 months ago. Dont forget to enable I2C in the Raspberry Pi. h> #define Hi All, I'm trying to change the I2C address of 4 individual MLX90614 sensors. Using Arduino. All temperatures are returned in Celsius. Follow In C. But the problem is nothing is displaying on Serial Monitor. Hi guys! this is my first time using the arduino and im kinda struggling. You signed out in another tab or window. Repository Contents /examples - Example sketches for the library (. They also include an ambient sensor which is providing the temperature reading of the sensor's case. PINNING: The project was made with a NUCLEO-F103RB board. I needed to do something similar for the MLX90614 sensor. You have to include all the I2C frame's data for the PEC's calculation not just the replied data. h> #include <LiquidCrystal_I2C. Arduino I2C Multiplexing uisng TCA9548A. Infrared-controlled helicopter and Tizen. 0xB4 = shift_left(ox5A). ; Create an instance of the MLX90614 structure and configure it with your specific settings, such as I2C interface and GPIO pin which is used as vcc of the sensor. MAX30100 not working. 6). 0. Thanks #include <Adafruit_SSD1306. c and compile: Hello everybody! I have some problems to read out the EEPROM of my MLX90614 DCI infrared sensor, which is connected via I2C to my Arduino Uno. Tính năng và lợi ích:-Kích thước nhỏ, chi phí thấp-10k Kéo điện trở lên cho giao diện I2C với các jumper twimaster. 2˚C in a limited temperature range around the human body temperature. Please tell me how to use two sensors at the same time. i2c_device as ada_i2c import time def change_emissivity(value,i2c): new_emissivity=round(65535*value) buf=bytearray(4) I am trying to use a Melexis MLX90614 with Atmega8. Note: The MLX90614 offers a standard accuracy of ±0. Share. csv with Hello folks, I would like to dump EEPROM data over I2C from MLX90614 using the I2CMaster library. #include "i2cmaster. The address set in the MLX90614 eeprom is in 7 bit format. Model: MLX90614-DCC; Operating Voltage: 3. Sign in Product Actions. ; Include the necessary STM32 HAL in mlx90614. 3V device on a 3. VCC là chân nguồn. ; Adafruit_MLX90614. 5℃ Hello Everyone, I am trying to interface MLX90614 sensor I2C with stm32F401 Discovery board and i have configured stm32 cube MX in standard mode. I am a beginner. I2C interface: The sensor communicates with a microcontroller or other devices using the I2C (Inter-Integrated Circuit) interface. Use the BCM2835 Library that has implemented a separate repeated start function Datasheet for MLX90614. Before I do that I need to be confident that I have saved old data, and that I am accessing correct data. h" // New slave address, purposefully left shifted wiki:This is an Arduino MLX90614 non contact IR (infrared) temperature sensor. ino). But i run into some troubles, i need to use for my project 8 MLX90614, which are IR temperature sensors, but i know that i2c cannot have the same address. It enables high accuracy and resolution for the thermometer. Sensors. Add a comment | Your Answer Thanks for contributing an answer to Arduino Stack Exchange! Please be sure to answer MLX90614 Pinout. Cảm biến sử dụng tia IR để đo nhiệt độ của đối tượng mà I'm trying to run the code below on an ESP32 TTGO T-display running micropython from loboris. Đâu là một loại cảm biến nhiệt độ hồng ngoại GY-906 không biết xúc để sử dụng với MLX90614 umožňuje komunikovat i pomocí PWM a teplotu přenášet analogově. h> Adafruit_MLX90614 mlx = Adafruit_MLX90614(); RTC_DS3231 rtc; //Make a RTC DS3231 object. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are integrated in the same TO-39 can. Thus, you will be able to verify if your device's I2C address is really 0x5A or anything else. . Cảm biến nhiệt độ hồng ngoại không tiếp xúc GY-906 MX9 Sử dụng chip: MLX90614ESF-BCC, Nguồn điện: 3-5v, Phương thức giao tiếp: I2C. Hardware: Board: Custom board Core Installation/update date: Latest master IDE: esp-idf with Arduino as component Description: I'm having issue with MLX90614 sensor. If no one comes up with a solution, then accept that they do not work together and make two I2C Multiple IR Temperature Sensors - MLX90614: This is a quick guide on how to set up multiple MLX90614B contact-less temperature sensors via the I2C bus with an Arduino uno and display the readouts on the serial monitor of Arduino IDE. Hello, I am trying to interface mlx90614 and max30100 with an ESP32 or ESP8266 using I2C communication to the same SDA and SCL bus. 0x38 : AHT10 - ASAIR Humidity and Temperature sensor 0x3C : SH1106 - 132 X 64 Dot Matrix OLED 0x5A : IR sensor MLX90614 0x77 : BMP180 - Temp/Barometric. h is the library that handles I2C communication. The resulting digital signal is then transmitted through the I2C bus to a microcontroller for further analysis and use. When I try to connect both of them together only the max30100 sensor shows reading and not the mlx90614. Updated Oct 4, 2024; Propeller Spin; libdriver / mlx90614. Wire. <Wire. The MLX90614 driver files are located under “\Drivers\IR_THERMOMETER”. h library and the i2Cmaster library. I'm Hello all, I am trying to combine two MAX30100 and MLX90614 sensors on an Arduino Uno. h> #include "MAX30100_PulseOximeter. 3V I2C bus could cause these kind of problems. Jetson Nano. mustafagoksu02 August 27, 2021, 11:32am 1. ). I need to change Config Register1 with faster FIR and IIR filter settings. Contribute to lamik/MLX90614_STM32_HAL development by creating an account on GitHub. hi, I'm working on a spo2 (max30100) and temp(mlx90614) measuring system using Arduino uno when i connect each sensor individually to the uno i get correct readings from both sensors, but when connected at the same time the spo2 sensor works fine but the mlx90164 temp sensor reads very unusual temperatures like (-231, 879,376. Adafruit_MLX90614. MAX30102 showing Heart rate: 0. This makes it easy to integrate the sensor into various projects and systems. Hi, I having been trying for more than a week, I am trying to get an ESP32 connested to a MUX pca9548a (but I have been told that it’s compatible with tca9548a) at the moment I have just one sensor contactless temp sensor mlx90614 but I have not been able to get it to work. تمامی قطعات الکترونیکی خود را می توانید از فروشگاه ایوینک تهیه کنید. 5˚C around room temperatures, while the medical-grade MLX90614 offers an accuracy of ±0. Programming. The I2C scanner code returns the I2C address. When I write a sketch that uses two sensors at the same time, I don't get the correct value from either sensor. This exceptional sensor introduced by Melexis uses IR technology that uses the IR radiations to measure The Melexis MLX90614 non-contact infrared thermometer is a uniquely simple way of Read temperature without touching the object you’re measuring with the MLX90614 Infrared (IR) Thermometer Sensor; Connect the two-wire interface (I2C) to your Arduino, ESP8266, ESP32, Raspberry Pi, etc. Integrated into the MLX90614 are a low noise amplifier, 17-bit ADC and powerful DSP unit thus achieving high accuracy and resolution of the thermometer. 2℃(body temperature range)/ ±0. 3 voltage regulator, I2C Bus with internal pullup resistors to define a default state and a capacitor for noise filtering. Just in case I may be doing something wrong with with the debug code in the Adafruit library, here is a pastebin link of my Adafruit_MLX90614. Cảm biến nhiệt hồng ngoại không tiếp xúc MLX90614 là loại cảm biến đo nhiệt độ hồng ngoại không tiếp xúc dùng chip MXL90614 sử dụng giao tiếp I2C có thể dễ dàng kết nối với bất cứ vi điều khiển nào. This sensor measures the surface temperature by detecting infrared radiation energy and wavelength distribution. It can work in three modes: thermostat, PWM output and SMBus. Arduino Uno; Arduino Uno . MLX90614 _ از نمای جلو ماژول دما MLX90614 . Star 26. There is enough similarity to enable the MLX90614 là Cảm biến nhiệt độ kỹ thuật số hồng ngoại không tiếp xúc (IR) có thể được sử dụng để đo nhiệt độ của một đối tượng cụ thể, từ -70 ° C đến 382,2 ° C. MLX90614 (GY906) Adafruit library : Download here from Github or Download here. ino. 013) Download Contribute to amkeegan/mbed_I2C_Temp development by creating an account on GitHub. Was developed with launchpad MSP430FR4133, making it easy to use the push buttons that include it (P1. Navigation Menu Toggle navigation. In general applications, you can use Gravity: I2C Non-contact IR Temperature Sensor For Arduino (MLX90614-DCC) I want to connect multiple (up to 4) MAX30100 or MAX30102 oximeter sensors to an Arduino via I2c. I haven't checked your CRC implementation but there is a mistake in the MLX datasheet or at least it's badly written. What im Now the task is to connect 4 MLX90614 sensors on a I²C wire (I have assigned the different slave addresses to each sensor as I cannot connect them on I²C, each having the same address). (It's esp32 pre-loaded with display drivers for TTGO Display) I have attached a GY-906 temp sensor through i2c for testing. But when I connect them individually they work just fine and interestingly I am facing this problem only with Nucleo STM32F401RE, CubeMx, SW4STM32(AC6). Multiple MLX90614 (temperature sensor) on Arduino Uno code. Configured the whole system on Pi 4 in the organized box, Measure the temperature with Arduino and contactless Infrared temperature sensor, the MLX90614 without any physical contact with the object. In tutorials I looked up they used the Adafruit library and had MLX90614 non-contact infrared temperature: MLX90614 non-contact infrared temperature sensor using Arduino, Emissivity Calibration– In this article, you will learn how to make a contactless Temperature monitoring In the circuit diagram, you can clearly see the MLX90614 Non-Contact temperature Sensor connection with the Arduino remain exactly the same. I will just refer to the bus as I2C. Both the IR sensitive thermopile detector chip and the signal conditioner ASIC are integrated in the same model TO-39 sensor packing. 3V with a STK500 (Arduino) 8MHz bootloade Hi Santa Claus Impersonator, I have managed to get the MLX90614 board to run in I2C mode and display the temperature on a micro OLED breakout display using arduino and breadboard, [SOLVED] MLX90614 i2c on Raspberry Pi. If you are using an old version for the Arduino IDE you may need to add the Adafruit_BusIO: Download here from Github or Download here. Skip to content. The MLX90614 will not work unless I2C messages are completed quickly (ie the time between Start and Stop is less than the timeout). The basic class for handling the communication with the sensor. If your i2c is at 400KHz, there would be no response from MLX90614. read_ambient_temp ¶ MLX90614 IR Thermometer Driver Library for Arduino - jfitter/MLX90614. I am able to read the temperature of each sensor and get the maximum temperature as well. There are a few posts on this forum which describe something like my problem. Q: What is the I2C address of the MLX90614? A: The default I2C address is 0x5A. To use this library in your STM32 project, follow these steps: Include the mlx90614. Either I have to merge MLX and MPU code, or create easily a 2nd I2C bus on other pins ? I want to change the I2C address, so that I can use multiple sensors of the same kind with different address. Commented Oct 22, 2023 at 8:39. " Digital interface compatible with SMBus / I2C for fast temperature readings; Adjustable PWM output for continuous reading; Available in 3V and 5V versions; Power saving mode; Pin Out Board. i2c scan shows first pecularity. This tutorial aims to quickly familiarize you with the MLX90614 IR thermometer and I2C Communication: Connect the SDA and SCL pins to the I2C data and clock lines of your microcontroller. Cảm biến sử dụng tia IR để đo nhiệt độ của vật thể mà không cần tiếp xúc vật lý và giao tiếp với bộ vi điều MLX90614 driver compatible with STM32 HAL I2C implementation - mlx90614_stm32/src/mlx90614_i2c. Save this as mlx90614_query. 3: 1649: May 5, 2021 Home ; I have a project that uses the DFRobot Gravity: I2C Non-contact IR Temperature Sensor (using the MLX90614-DCI chip). M odul lze napájet napětím 5V, obvod je napájen napětím 3. Firstly imported the "Adafruit MLX90614 Library_ID782" into platform. But I can't find the code; please help me. I’m able to get temperature values from the sensor: from smbus2 import SMBus from mlx90614 import MLX90614 MLX90614 can read temperature. En este repositorio puden encontrarse los códigos necesarios para realizar la lectura del sensor MLX90614 por I2C con el micro controlador ESP32CAM - codigo-iot/MLX-90614-TallerIoT. I have failed in all my attempts till now. The MLX90614 sensor is a non-contact sensor that reads the temperature of an object by receiving and converting infrared radiation. Datasheet for MLX90614: 2. MLX90614 Arduino Library. When I run your MLX90614 (thermal sensor) test code, it works fine. I am using the max30102 SpO2 sensor and mlx90614 temperature sensor connected to ESP32 devkit V1 via I2C. h>: Library STM32 and MLX90614 non-contact temperature sensor. Gravity: I2C Non-contact IR Temperature Sensor (MLX90614-DCI), due to its small field of view (FOV = 5°), is more suitable for industrial applications where the detection distance can be longer. But the problem comes when controlling the four fans over PWM. The Adafruit & Sparkfun MLX90614 is the library that Connect the I2C Pins of MLX90614 to Raspberry Pi Pico. There were examples of using it via UART but wanted to use the i2c sensor i had. – aGuegu. I'm using an Hello, I would like to make an infrared thermometer like in this tutorial: DIY Non Contact Thermometer - Open Green Energy however I do not have an OLED screen at my disposal I would like if possible to use an LCD screen (16x2) with i2C. :( Since our project is completely based in python; I'd really like some help reading this sensor via i2c and Python, although I really don't have a ton of experience in writing libraries, especially not for electronics. begin(9600) so we can see the #include <Adafruit_MLX90614. Could someone please share a working configuration where or provide some ideas esphome MLX90614 I2C IR Temperature Custom Sensor (GY-906) These sensors are what's in an ear thermometer and provide quite quick reading of an object's temperature from many centimetres away. Write your own bit banging i2c driver 2. h> #define I2C_ADDR 0x27 #define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin 1 #define Rs_pin 0 #define D4_pin 4 #define D5_pin 5 #define D6_pin 6 #define D7_pin 7 Mlx90614 not see i2c. If I use either sensor, I can get a normal value. h. 2 and P2. h" #include <Adafruit_MLX90614. MLX90614 Pinout. 3V version of the MLX90614 ? The 5V version combined with a 3. As the MLX90614 and the SSD1306 Oled display Module both are I2C supported, so we can interface both the devices using only two pins the A4 and A5 pins. When using the solution code stated on this topic: Multiple Melexis MLX90614 on the same i2c, how to change addresses ?? - Sensors - Arduino Hey i want to use two MLX90614 Sensors with in a I2C Bus. Therefore, the NUCLEO-F103RB board is connected via PB8 (for SCL) and PB9 (for SDA) to the MLX90614. This sensor will be accessed by an ESP32 running Micropython. h file for esphome: (See below). The pin out of the GY-906 board Changing slave address of mlx90614 with bcm2835 via SMBus / I2C. 7: 6396: May 6, 2021 integrating the wire. This datasheet includes technical background specifications for Melexis’ single and dual zone - infrared thermometer in TO-39. 3V & GND to the power pin of MLX90614. SCL là chân Clock I2C, kết nối với dòng đồng hồ I2C của Arduino của bạn. Menu. When a push button MLX90614 là một cảm biến nhiệt độ kỹ thuật số hồng ngoại (IR) không tiếp xúc có thể được sử dụng để đo nhiệt độ của một đối tượng cụ thể trong khoảng từ -40°C đến 125°C. Here is the code snippet: import board import busio as io import crc8 import adafruit_mlx90614 import adafruit_bus_device. standard mode recognizes all devices, fast mode miss IR sensor. io. Using SMBus -- an I 2 C -like interface -- to communicate with the chip means you only need to devote two wires from your microcontroller to interface with it. scan() finds it without issue on 0x5a [80] like it is supposed to, but when I request temperature data, the response is always 0xFF Hello, On my arduino Uno R3, i am trying to make working both MLX90614 non-contact temperature sensor (at address 5A), and a MPU6050 (at address 68). Jetson & Embedded Systems. But you can use any Arduino board or microcontroller which have an #ifndef USE_MLX90614 #define USE_MLX90614 // [I2cDriver32] Enable MLX90614 ir temp sensor (I2C address 0x5a) (+0 GPIOy: Tasmota Settings~ In the Configuration -> Configure Module page assign: GPIOx to I2C SDA; The MLX90614 thermometer sensor works using this principle. Communication Interface: The MLX90614 GY-906 sensor can communicate with other devices using the I2C (Inter-Integrated Circuit) communication protocol. SDA là chân Data I2C, kết nối với dòng dữ liệu I2C của Arduino của bạn. cpp for I2C (to get a MLX90614 to work) Due. Multiple Melexis MLX90614 I2C. So i bought a CD74HC, a 16 channel multiplexer, but i cannot make them work, i believe because of my code. The Problem that I have is, if I try to give the second Sensor a different address i don't get a value back. This temperature sensor module comes with a 3. Used MLX90614 Infrared Thermometer to record temperature and camera to recognize the face. I2C Pull-up Resistors: Typically, 4. Low power consumption: The MLX90614 is designed for low-power applications, making it suitable for battery-powered devices. MLX90614 (i2c [, address]) ¶. h>: Allows communication with I2C/TWI devices. 73 MB PDF; Current revision: September 2019 (rev. h files in your project. 3V Mezi typické aplokace využití patří měření teploty Hey everyone, im new on the arduino world so im learning a lot on the past months. Here is a picture of the MLX90614 GY-906 board module that is widely available on the market. The best part about the MLX90614 is it comes calibrated with a digital SMBus from the factory. For a read word command you have to include [SA_W, Command, SA_R, LSB, MSB] and for a write word command [SA_W, Command, LSB, MSB]. Provide the 3. h is the library that makes interacting with the sensor easy. Trying to access the mlx90614 by using the bcm2835-library fails. They might not be 100% I2C compatible. Resetting I2c Address - MLX90614. The MLX90614 is a ready-to use low-cost non contact thermometer provided from Melexis with output data linearly dependent on the object temperature with Note: The MLX90614 offers a standard accuracy of ±0. This documentation provides a comprehensive guide to the MLX90614 IR Maybe the problem is I2C speed. lrh btmlvb owh eqgddg uzrt bkfi ayhp uilk xdzitcn pnunmknp