IR Tire Temperature Array Datalogger Demo using Arduino
This is just a quick demo video of a project that I have been working on. This is a non contact infrared tire temp data logger and live display. There are 12 sensors total (3 per each tire for inside, middle and outside). The data is written in CSV format to an SD card at 2 Hz for viewing in excel or any data analysis program. The file auto indexes to the next available file name.
The sensors used are mlx90614 and can read up to 716 deg F. I found the accuracy to be within 3 deg F (http://www.adafruit.com/datasheets/ML...)
The micro controller is an Arduino Uno with an SD logger shield and an keypay LCD shield. There are also pull up resistors for the i2C bus and low pass filters used to output a 0-5V signal for an external data logger using a pwm output.
There are 6 buttons to control the LCD (5 menu screens and 1 reset).
1. displays the middle sensor of each corner.
2. Displays the Front Left tire inside, middle and outside live data + time
3. Displays the Front Right tire inside, middle and outside live data + time
4. Displays the Rear Left tire inside, middle and outside live data + time
5. Displays the Rear Right tire inside, middle and outside live data + file name
6. Reset (auto index to next file and start a new data log)
This is currently being tested and used on the Cal Poly Pomona FSAE team as well as my personal car.