Keyestudio 4DOF Manual page 194

}
else
{
while(pos3>jiyi3[k])
{
myservo3.write(pos3);
delay(5);
pos3--;
//Serial.println(pos1);
}
}
//*********************************************
//the explanation is the same as the previous servo.
if(pos4<jiyi4[k])
{
while(pos4<jiyi4[k])
{
myservo4.write(pos4);
delay(5);
pos4++;
//Serial.println(pos1);
}
}
else
{
while(pos4>jiyi4[k])
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