I did the following steps:
1) Hardware: Connect the MLX90614 (refer to the datasheet) as follows: Pin 1 on MLX (SCL) connect to ANALOG pin 5 on Arduino Pin 2 on MLX (SDA) connect to ANALOG pin 4 on Arduino Pin 3 on MLX (VDD) connect to 3.3V on Arduino Pin 4 on MLX (VSS) connect to GROUND on Arduino
Now use “pull ups” on the SCL and SDA lines by connecting a 4.7K ohm resistor from the Pin 3 VDD line to the SCC line and a 4.7K ohm resistor from the Pin 3 VDD line to the SDA line.
2) Connect the RBG LED. Simple wiring diagram for RGB LED: http://wiring.org.co/learning/basics/rgbled.html. For the attached Arduino sketch, hook up is as follows:
Leg 1 = RED pin of the LED to PWM pin 6 Leg 2 = Ground Leg 3 = GREEN pin of the LED to PWM pin 5 Leg 4 = BLUE pin of the LED to PWM pin 3 {***NOT pin 4 as shown in the diagram above!!!!!!!!!}
3) Software: Download MLX90614 IR Thermometer Library here: http://bildr.org/2011/02/mlx90614-arduino/
To make this code work, before you load the code, or even open the Arduino program, we need to place the “I2Cmaster” in your Arduino Library.
On your Mac:: In (home directory)/Documents/Arduino/libraries On your PC:: My Documents -> Arduino -> libraries On your Linux box:: (home directory)/sketchbook/libraries
Final Arduino sketch attached.
For more detail: Thermal Camera: Arduino UNO + MLX90614 IR Thermometer
