Keyestudio 4DOF Manual page 152

x2 = analogRead(left_X); //read the left X value
y2 = analogRead(left_Y); //read the left Y value
z2 = digitalRead(left_key); // read the left Z value
//delay(5); // lower the speed overall
// claw
zhuazi();
// rotate
zhuandong();
// upper arm
xiaobi();
//lower arm
dabi();
}
//claw
void zhuazi()
{
//claw
if(x2<50) // if push the left joystick to the right
{
pos4=pos4-2; //current angle of servo 4 subtracts 2（change the value you subtract, thus change the closed speed of claw）
//Serial.println(pos4);
myservo4.write(pos4); // servo 4 operates the action, claw is gradually closed.
delay(5);
149