The Engineering Projects

I am working on Arduino Uno based project to control the multiple servos.

I am using Vigor VS 2 servo. As per data sheet, its output angle is >=170 degree and pulse traveling 800 to 2200 µsec.

When I give command of 90 degree to rotate, it rotate slightly more than 90 degree but when I give command of 85 degree then it is looking like exact 90 degree.

I have written simple program as written below.

Servo myservo;
int pos = 0;
void setup()
{
myservo.attach(9);
}
void loop()
{
myservo.write(85);
}

What I require to modify to get the exact angle as per program code.

Thank You,

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