Keyestudio 4DOF - Page 144

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Test Code 3:
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const int right_X = A2; // define the right X pin to A2
const int right_Y = A5; // define the right Y pin to A5
const int right_key = 7; //define the right key pin to 7（that is the value Z）
const int left_X = A3; //define the left X pin to A3
const int left_Y = A4; // define the left Y pin to A4
const int left_key = 8; //define the left key pin to 8（that is the value Z）
void setup()
{
pinMode(right_key, INPUT); // set the right/left key to INPUT
pinMode(left_key, INPUT);
Serial.begin(9600); // set the baud rate to 9600
}
void loop()
{
int x1,y1,z1; // define the variable, used to save the joystick value it reads
int x2,y2,z2;
x1 = analogRead(right_X); // read the value of right X