Arduino小车基础-前进后退和串口监视器
//前进 void Forward(){ digitalWrite(2,LOW); digitalWrite(3,HIGH); digitalWrite(4,HIGH); digitalWrite(5,LOW); } //后退 void BackOff(){ digitalWrite(2,HIGH); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(5,HIGH); } //左转 void TurnLeft(){ //小车左转(左轮后退) digitalWrite(2,HIGH); digitalWrite(3,LOW); //小车左转(右轮前进) digitalWrite(4,HIGH); digitalWrite(5,LOW); } //右转 void TurnRight(){ //小车右转(右轮后退) digitalWrite(4,LOW); digitalWrite(5,HIGH); //小车右转(左轮前进) digitalWrite(2,LOW); digitalWrite(3,HIGH); } void setup() { // put your setup code here, to run once: //配置2,3口为输出引脚(左轮初始化) pinMode(2,OUTPUT); pinMode(3,OUTPUT); //配置4,5口为输出引脚(右轮初始化) pinMode(4,OUTPUT); pinMode(5,OUTPUT); //pinMode(LED_BUILTIN,OUTPUT); //串口初始化 Serial.begin(9600); } void loop() { // put your main code here, to run repeatedly: Serial.println("前进"); Forward(); delay(1000); Serial.println("后退"); BackOff(); delay(1000); Serial.println("右转"); TurnRight(); delay(1000); Serial.println("左转"); TurnLeft(); delay(1000); }
使用的是Arduino Uno开发板(初始化2,3,4,5接口,波特率:9600)