I tried printing right after each variable I got this
I am here9I am here96I am here966I am here9669I am here9669«I am here9669«I am here9669««I am here9669««I am here9669««I am here9669««I am here9669««I am here9669««I am here9669««I am here9669««I am here9669««This is PWMThis is PWMThis is PWMThis is
The servo starts to save the values after the second charachter received. PWM and pressure never get assigned any values