We will receive for arduino the A0 A1 port Y received a corresponding port connected to 5V supply and ground and ground remote sensing observation of experimental data through the serial port X.
The remote sensing extension board above there are four buttons, D3 corresponding pick in the 3rd digit pin, D4 corresponding pick in the 4th digit pin, D5 corresponding pick in the 5th digit foot, D6 corresponding pick in the 6th digit pin. In addition, a small button for reset button.
PS2 joystick, etc. may generally be used to control the car, which is configured mainly two 10K potentiometer, and a key switch. Five ports were VCC, X, Button, Y, GND.
1 x PS2 Joystick Shield V2