@tlfong01 i'm still didnt get about read status packet, can u remote session from my raspi and debug about that for me? i'm trying to figure it out for the last whole week and still i'm stuck :"
@RyanFikri OK. Perhaps you can setup Win10 RealTerm and test loopback OK. Then I will show you in details the steps sending something to the digi servo and getting back a status packet.