The sensor forms an image and OpenCV detects the actual touch configuration. It appears you can use the raw data from the Arduino, too, but it might be a little harder.

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

Engineer Saeki Yoshiyasu created a system that allows him to connect to a server with his iPod touch and draw a design on the web browser using nothing but a Graphics LCD, an Arduino, and a WebSocket ...