hey gent I´m having a similar problem with one project, Stellarium is not showing the telescope position. We`re using Arduino due and 2 step-motors. The communication is going on but is bad and Stellarium does not show the telescope position. define M1_ENA 22 // ativa (enable) A4988 do motor 1 define M1_MS1 24 // MS1 do A4988 do motor 1 define M1_MS2 25 // MS2 do A4988 do motor 1 define M1_MS3 26 // MS3 do A4988 do motor 1 define M1_RST 28 // reseta (desliga e liga) A4988 do motor 1 define M1_SLP...