Arduino遥控小车制作

Forever忠

上班闲着没事做了一个简单的遥控小车。
器材：Arduino(带电机驱动)、蓝牙、两个小马达、一个小车模型、安卓手机。

用手机下载一个蓝牙串口助手，调试你的蓝牙模块，蓝牙与板子连接方式是：TXD-RXD、RXD-TXD、V-V、GND-GND

代码：

1. 
   
2. 
   
3. void setup()
   
4. {
   
5.   Serial.begin(9600);
   
6. // Serial.println("start");
   
7.   pinMode(8,OUTPUT); //定义方向D8为输出管脚
   
8.   pinMode(10,OUTPUT); //定义速度D10为输出管脚
   
9.   pinMode(7, OUTPUT);
   
10.   pinMode(9, OUTPUT);
    
11. }
    
12. 
    
13. void loop()
    
14. {
    
15.   char val=Serial.read();
    
16.   if(val=='a')
    
17.   {
    
18.     Serial.println("go ");
    
19.     go();
    
20.   }
    
21.   else if(val=='b')
    
22.   {
    
23.     Serial.println("back");
    
24.     back();
    
25.   }
    
26.   else if(val=='c')
    
27.   {
    
28.     Serial.println("stay");
    
29.     stay();
    
30.   }
    
31.   else if(val=='d')
    
32.   {
    
33.     Serial.println("turn left");
    
34.     turnleft();
    
35.   }
    
36.   else if(val=='e')
    
37.   {
    
38.     Serial.println("turn right");
    
39.     turnright();
    
40.   }
    
41. }
    
42. 
    
43. void go()
    
44. {
    
45. digitalWrite(7,1);
    
46. digitalWrite(8,0);
    
47. analogWrite(9,240);
    
48. analogWrite(10,240);
    
49. delay(100);
    
50. }
    
51. 
    
52. void turnleft()
    
53. {
    
54. digitalWrite(7,0);
    
55. digitalWrite(8,0);
    
56. analogWrite(9,240);
    
57. analogWrite(10,240);
    
58. delay(100);
    
59. }
    
60. 
    
61. void turnright()
    
62. {
    
63. digitalWrite(7,1);
    
64. digitalWrite(8,1);
    
65. analogWrite(9,240);
    
66. analogWrite(10,240);
    
67. delay(100);
    
68. }
    
69. 
    
70. void back()
    
71. {
    
72. digitalWrite(7,0);
    
73. digitalWrite(8,1);
    
74. analogWrite(9,240);
    
75. analogWrite(10,240);
    
76. delay(100);
    
77. }
    
78. 
    
79. void stay()
    
80. {
    
81. digitalWrite(7,0);
    
82. digitalWrite(8,1);
    
83. analogWrite(9,0);
    
84. analogWrite(10,0);
    
85. delay(100);
    
86. }

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