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/*
藍牙遙控小車
*/
//定義驅動器的信號引腳
int in1 = 5;
int in2 = 6;
int in3 = 10;
int in4 = 11;
void setup()
{
pinMode(in1, OUTPUT);
pinMode(in2, OUTPUT);
pinMode(in3, OUTPUT);
pinMode(in4, OUTPUT);
Serial.begin(9600);
}
void loop()
{
while (Serial.available())//當串口緩沖區有數據時Serial.available()就1了
{
char inChar = (char)Serial.read();
switch (inChar)
{
case 0x01:digitalWrite(in1, HIGH);digitalWrite(in2, LOW);digitalWrite(in3, HIGH);digitalWrite(in4, LOW); break;//前進
case 0x02:digitalWrite(in1, LOW);digitalWrite(in2, HIGH);digitalWrite(in3, LOW);digitalWrite(in4, HIGH); break;//后退
case 0x03:digitalWrite(in1, LOW);digitalWrite(in2, LOW);digitalWrite(in3, HIGH);digitalWrite(in4, LOW); break;//左轉
case 0x04:digitalWrite(in1, HIGH);digitalWrite(in2, LOW);digitalWrite(in3, LOW);digitalWrite(in4, LOW); break;//右轉
case 0x06:digitalWrite(in1, HIGH);digitalWrite(in2, LOW);digitalWrite(in3, LOW);digitalWrite(in4, HIGH); break;//右旋轉
case 0x05:digitalWrite(in1, LOW);digitalWrite(in2, HIGH);digitalWrite(in3, HIGH);digitalWrite(in4, LOW); break;//左旋轉
case 0x00:digitalWrite(in1, LOW);digitalWrite(in2, LOW);digitalWrite(in3, LOW);digitalWrite(in4, LOW); break;//默認停止
}
}
}

復制代碼

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