【Arduino 动手做】带有 2xHC-SR04 传感器的 360° Arduino 雷达

附录
项目链接：https://hackaday.io/project/181643-360-arduino-radar-with-2xhc-sr04-sensors
项目作者：米尔塞姆克
项目代码：https://cdn.hackaday.io/files/1816437771414112/Original%20code.txt

最后，将该装置装入一个合适的盒子中，该盒子由厚度为 3 毫米和 5 毫米的 PVC 板制成，并涂有自粘彩色壁纸。

启动时，测试伺服电机的运动。此后，雷达立即开始扫描。接下来，我们在 PC 上启动 Processing 应用程序，然后需要输入与 Arduino 通信的正确串行端口。这样就会显示一个类似雷达的监视器，上面正在监视对象。需要说明的是，这个想法和代码是西班牙电子工程专业学生 Victor Casado 的作品。从图片中可以看到，该设备还包含一个压电蜂鸣器。这是因为我目前正在测试修改后的代码，根据物体的距离，发出具有特定频率的声音。如果成功，我将以更新的形式发布新代码。
[code]#include
#include
UltraSonicDistanceSensor distanceSensor(6, 7); //Create the 1st sensor object
UltraSonicDistanceSensor distanceSensor2(5, 4); //Create the 2nd sensor object
Servo servoMotor; //Create the Servo object
int delayTime = 5; //Delay value to wait for the servo to reach the 1 angle difference
long d; //Distance from 1st sensor calculated
long d2; //Distance from 2nd sensor calculated
void setup() {
Serial.begin(9600); //Initialize the Serial communication at 9600 bauds
servoMotor.attach(2); //Attach the servo to the Digital PWM pin 2
servoMotor.write(180); //Rotate the servo to the 180?
delay(1000); //Wait for the servo to reach 180?
servoMotor.write(0); //Rotate the servo to the 0?
delay(1000); //Wait for the servo to reach 0?
}
void loop() {
for (int i = 1; i < 180; i++) { //Move the Servo 180 degrees forward
readSensors(); //Read the sensors
Serial.print(i); //Print the angle
Serial.print(","); //Print a ","
Serial.print(d); //Print the 1st distance
Serial.print(","); //Print a ","
Serial.println(d2); //Print the 2nd distance with end line
servoMotor.write(i); //Set the sensor at the angle
delay(delayTime); //Wait for the servo to reach i?
}
for (int i = 180; i > 1; i--) { //Move the Servo 180 degrees backward
readSensors(); //Read the sensors
Serial.print(i); //Print the angle
Serial.print(","); //Print a ","
Serial.print(d); //Print the 1st distance
Serial.print(","); //Print a ","
Serial.println(d2); //Print the 2nd distance with end line
servoMotor.write(i); //Set the sensor at the angle
delay(delayTime); //Wait for the servo to reach i?
}
}
void readSensors() {
d = distanceSensor.measureDistanceCm();
d2 = distanceSensor2.measureDistanceCm();
}[/code]

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该过程从测试伺服器旋转开始。首先，它旋转 0° 到 180°，然后旋转 180° 到 0°，以检查耳机是否正确移动。该过程从测试伺服器旋转开始。首先，它旋转 0° 到 180°，然后旋转 180° 到 0°，以检查耳机是否正确移动。该过程从测试伺服器旋转开始。首先，它旋转 0° 到 180°，然后旋转 180° 到 0°，以检查耳机是否正确移动。
该设备构建起来非常简单，由以下几个元素组成：
- Arduino Nano 微控制器
- 小型 9g 伺服电机
- 和两个 HC-SR04 超声波模块