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接線完成後,首先來處理自走車的馬達程式
利用 digitalWrite(腳位 , HIGH or LOW ) 可以控制高低電位,自走車前進時程式寫法如下: //右輪馬達 digitalWrite(In1,LOW);
//右輪馬達 往前
digitalWrite(In1,LOW); 也可以透過改變左右兩輪行進的速度,控制自走車逐漸改變行進方向,比如自走車在前進狀態時,左輪轉速 小於右輪時,自走車會逐漸左轉彎. analogWrite(ENB,leftSpeed) ; |