radiocomando rc motor shield rev3

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ciao, stavo cercando di pilotare un motore in dc 12 volt tramite la motor shield rev3 e un radio comando rc della futaba con tx e rx.
sono riuscito far muovere il motore solamente in avanti estrapolando parti di codice da un progetto trovato in rete, ma il problema è che lo skech che hotrovato è troppo elaborato,e riesco solo fare girare il motore solo avanti e neanche bene, e dato che sono alle prime armi cercavo un esempio un pò piu semplice solo per muovere un motore con un telecomando 2 canali(quello per le macchinine).da quel che ho capito bisogna decodificare lalori ppm del telecomando per poi trasformali in pwm da mandare al motore ma per uno che non ne sa una mazza non è cosi semplice :).
quello che vorrei io è arrivare piano piano contollare bene un motore dc avanti e indietro ch1 e un servo ch2 ,e poi integrare un giroscopio per supportare il servo.
ma piano piano ora mi accontento di fare muovere bene solo il motore dc.
grazie

se il telecomando é uno di una macchinia da 2 soldi puó essere che non lavora in modo proporzionale ma solo on/off.
ciao uwe


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