A simple example to show the Arduino's built in graphing capability through its serial USB port. In this case it graphs the X axis input from a joystick.
MATERIALS:
Arduino
Joystick (HW-504)
WARNING: Information offered "as is", you are solely responsible
for how you use it. Miswiring your Arduino can ruin it and the accessories.
If you do not know, learn first or do not do it.