Keyestudio 4DOF Manual page 145

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{
pos3=35;
}
}
if(y2<50) // if push the left joystick downward
{
pos3=pos3+1;
myservo3.write(pos3); // the lower arm will draw back
delay(5);
if(pos3>180) // limit the retracted angle
{
pos3=180;
}
}
}
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Test Result:
Wire it up, stack the shield onto V4.0, upload the code. Powered on, press
the key Z1 of right Joystick to save the angle value of 4 servos. Press down
the key Z1 to memorize different postures, at most 10 postures in the code.
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