Keyestudio 4DOF Manual page 107

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initial value (that is the boot posture angle value)
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 of Z）
const int left_X = A3; // define the left X pin to A3
const int left_Y = A4; // define the left X pin to A4
const int left_key = 8; //define the left key pin to 8（that is the value of Z）
int x1,y1,z1; // define the variable, used to save the joystick value it read.
int x2,y2,z2;
void setup()
{
// boot posture
myservo1.write(pos1);
delay(1000);
myservo2.write(pos2);
myservo3.write(pos3);
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