四路避障模块红外mk362以及l298n驱动做的红外小车
时间: 2023-11-06 22:02:37 浏览: 45
四路避障模块红外MK362以及L298N驱动做的红外小车是一种基于红外技术的智能避障小车。该车通常由四个红外传感器及其相应驱动电路组成,以及L298N作为电机驱动模块。
红外避障传感器可以帮助小车感知周围的障碍物。传感器通过发送红外光波,当光波遇到障碍物时,会反射回传感器,传感器会接收到反射回来的光信号。通过测量光信号的强度,传感器可以判断是否有障碍物存在。当传感器检测到障碍物时,传感器会发出相应的信号,告知小车需要避免该障碍物。
L298N驱动模块则负责控制小车的电机。它可以通过控制电机的转速和方向来实现小车的运动。驱动模块接受来自主控板的指令,根据指令控制电机的正反转,并调节电机的转速,从而控制小车的前进、后退和转向。通过与红外避障传感器的配合,驱动模块可以根据传感器的信号,实时调整小车的运动状态,以避免与障碍物碰撞。
红外小车通过结合四路避障模块红外MK362和L298N驱动,实现了智能避障功能。它可以根据周围环境的变化,实时感知障碍物并进行相应的运动调整,从而避免与障碍物的碰撞。这种小车可以应用于一些需要避障功能的场景,如无人驾驶、室内导航等。
相关问题
l298n驱动避障小车
L298N驱动器是一种常用的电机驱动器,可以用于遥控车、小车、机器人等的驱动。在避障小车中,L298N驱动器可以控制小车的电机,使其前进、后退、左转、右转等。下面是使用L298N驱动器避障小车的步骤:
1.将L298N驱动器连接到Arduino板上,注意接线的正确性。
```C++
//示例代码
int ENA = 5;
int IN1 = 6;
int IN2 = 7;
int IN3 = 8;
int IN4 = 9;
int ENB = 10;
void setup() {
pinMode(ENA, OUTPUT);
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(IN3, OUTPUT);
pinMode(IN4, OUTPUT);
pinMode(ENB, OUTPUT);
}
void loop() {
//小车前进
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
//小车后退
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
//小车左转
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
//小车右转
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
}
```
2.使用超声波传感器检测前方障碍物的距离。
```C++
//示例代码
int trigPin = 2;
int echoPin = 3;
void setup() {
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
long duration = pulseIn(echoPin, HIGH);
int distance = duration * 0.034 / 2;
Serial.print("Distance: ");
Serial.println(distance);
delay(500);
}
```
3.根据检测到的距离控制小车的运动。
```C++
//示例代码
int trigPin = 2;
int echoPin = 3;
int ENA = 5;
int IN1 = 6;
int IN2 = 7;
int IN3 = 8;
int IN4 = 9;
int ENB = 10;
void setup() {
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(ENA, OUTPUT);
pinMode(IN1, OUTPUT);
pinMode(IN2, OUTPUT);
pinMode(IN3, OUTPUT);
pinMode(IN4, OUTPUT);
pinMode(ENB, OUTPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
long duration = pulseIn(echoPin, HIGH);
int distance = duration * 0.034 / 2;
Serial.print("Distance: ");
Serial.println(distance);
if (distance > 10) {
//前进
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
} else {
//后退
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
//左转
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
analogWrite(ENA, 200);
analogWrite(ENB, 200);
delay(1000);
}
}
```
两个L298N控制的HC—06蓝牙避障模块小车代码
以下是一个基于两个L298N驱动器和HC-06蓝牙模块的避障小车的代码,使用Arduino IDE编写:
```
#include <SoftwareSerial.h>
// 初始化软串口,RX为11,TX为10
SoftwareSerial bluetooth(11, 10);
//定义各个引脚
const int leftMotorForward = 9;
const int leftMotorBackward = 8;
const int rightMotorForward = 7;
const int rightMotorBackward = 6;
const int trigPin = 5;
const int echoPin = 4;
//定义测距变量
long duration;
int distance;
void setup() {
//设置引脚为输出模式
pinMode(leftMotorForward, OUTPUT);
pinMode(leftMotorBackward, OUTPUT);
pinMode(rightMotorForward, OUTPUT);
pinMode(rightMotorBackward, OUTPUT);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
//设置串口速率为9600
Serial.begin(9600);
//设置蓝牙串口速率为9600
bluetooth.begin(9600);
}
void loop() {
//发射超声波
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
//读取超声波返回的距离
duration = pulseIn(echoPin, HIGH);
distance = duration * 0.034 / 2;
//调试用,输出距离
Serial.print("Distance: ");
Serial.println(distance);
//如果距离小于20cm,后退
if (distance < 20) {
digitalWrite(leftMotorForward, LOW);
digitalWrite(leftMotorBackward, HIGH);
digitalWrite(rightMotorForward, LOW);
digitalWrite(rightMotorBackward, HIGH);
}
//否则向前走
else {
digitalWrite(leftMotorForward, HIGH);
digitalWrite(leftMotorBackward, LOW);
digitalWrite(rightMotorForward, HIGH);
digitalWrite(rightMotorBackward, LOW);
}
//检查蓝牙模块是否有数据可用
if (bluetooth.available()) {
char command = bluetooth.read();
//如果收到f,前进
if (command == 'f') {
digitalWrite(leftMotorForward, HIGH);
digitalWrite(leftMotorBackward, LOW);
digitalWrite(rightMotorForward, HIGH);
digitalWrite(rightMotorBackward, LOW);
}
//如果收到b,后退
else if (command == 'b') {
digitalWrite(leftMotorForward, LOW);
digitalWrite(leftMotorBackward, HIGH);
digitalWrite(rightMotorForward, LOW);
digitalWrite(rightMotorBackward, HIGH);
}
//如果收到l,左转
else if (command == 'l') {
digitalWrite(leftMotorForward, LOW);
digitalWrite(leftMotorBackward, HIGH);
digitalWrite(rightMotorForward, HIGH);
digitalWrite(rightMotorBackward, LOW);
}
//如果收到r,右转
else if (command == 'r') {
digitalWrite(leftMotorForward, HIGH);
digitalWrite(leftMotorBackward, LOW);
digitalWrite(rightMotorForward, LOW);
digitalWrite(rightMotorBackward, HIGH);
}
//如果收到s,停止
else if (command == 's') {
digitalWrite(leftMotorForward, LOW);
digitalWrite(leftMotorBackward, LOW);
digitalWrite(rightMotorForward, LOW);
digitalWrite(rightMotorBackward, LOW);
}
}
}
```
请注意,这只是一个示例代码,并且可能需要根据您的硬件配置进行修改。此外,此代码只提供了基本的避障和控制功能,您可能需要添加更多的功能以满足您的需求。