Keyestudio 4DOF Manual page 267

if(ps2x.Button(PSB_L1) || ps2x.Button(PSB_R1)) // print stick values if either is TRUE
{
Serial.print("Stick Values:");
Serial.print(ps2x.Analog(PSS_LY), DEC); //Left stick, Y axis. Other options: LX, RY, RX
Serial.print(",");
Serial.print(ps2x.Analog(PSS_LX), DEC);
Serial.print(",");
Serial.print(ps2x.Analog(PSS_RY), DEC);
Serial.print(",");
Serial.println(ps2x.Analog(PSS_RX), DEC);
}
delay(5);
}
//********************************************************************
// turn
void zhuandong()
{
// turn right
if(ps2x.Analog (PSS_RX) > 200) // if push the right joystick to the right
{
//Serial.println(ps2x.Analog(PSS_RX), DEC);
pos1=pos1-1; //pos1 subtracts 1
myservo1.write(pos1); // servo 1 carries out the action, the robot arm turns right.
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