Basic Arduino sketch to initialize Melexis' MLX90621 4 x 16 IR array, properly convert the measured 15-18-bit IR data to temperature, and then output the temperature on the serial monitor and on an TFT display. With temperature accurate to ~1 degree C, the 120-degree-wide field of view, and a refresh rate up to 512 Hz, the MLX90621 can form that basis of a poor man's FLIR temperature video camera. A pcb useful for mounting the MLX90621 is for sale at Tindie.
Hi Kris ! thanks for you code, i've been playing with the MLX90621 but with the BAA 120° fov version and i've noticed i've weird behaviour that when i point it to an object with temperature higher than abient and the heat of the object is heating the IC the read temperatures are going negative.
My guess is that the formulas ore ok for BAB and BAD sensors while for the BAA the KS4 (0xC4) is not null and that it's making measurements to go wrong.
I will try to make the code and push it if you would like to have a look i woul apreciate since you are by far a better coder than me.
Many thanks.
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