Arduino驱动315MHZ无线模块

Sapere Aude, quia Veritas Vos Liberabit.
敢于知道，因为真理使我们自由。

准备工具

1、两个Adruino开发板
2、315M发射、接收模块
3、杜邦线若干（面包板可选）
4、电脑一台（有两个USB接口）

Arduino接线

开发板（Arduino发射）	发射模块
VCC	VCC
GND	GND
10	data

开发板（Arduino接收）	接收模块
VCC	VCC
GND	GND
2	data

RC-Switch库引入

点击直接穿越

打开连接直接下载zip版本的，然后在Arduino引入库

发射模块代码

/*
  Example for different sending methods
  
  https://github.com/sui77/rc-switch/
  
*/

#include 

RCSwitch mySwitch = RCSwitch();

void setup() {
     

  Serial.begin(9600);
  
  // Transmitter is connected to Arduino Pin #10  
  mySwitch.enableTransmit(10);
  
  // Optional set protocol (default is 1, will work for most outlets)
  // mySwitch.setProtocol(2);

  // Optional set pulse length.
  // mySwitch.setPulseLength(320);
  
  // Optional set number of transmission repetitions.
  // mySwitch.setRepeatTransmit(15);
  
}

void loop() {
     

  
  /* Same switch as above, but using decimal code */
  mySwitch.send(1, 24);
  delay(2000);  
  mySwitch.send(2, 24);
  delay(2000);




  

//  /* See Example: TypeA_WithDIPSwitches */
//  mySwitch.switchOn("11111", "00010");
//  delay(1000);
//  mySwitch.switchOff("11111", "00010");
//  delay(1000);
  

//  /* Same switch as above, but using binary code */
//  mySwitch.send("000000000001010100010001");
//  delay(1000);  
//  mySwitch.send("000000000001010100010100");
//  delay(1000);

//  /* Same switch as above, but tri-state code */ 
//  mySwitch.sendTriState("00000FFF0F0F");
//  delay(1000);  
//  mySwitch.sendTriState("00000FFF0FF0");
//  delay(1000);

//   delay(20000);
}

在一个窗口粘贴好代码, 设置接收Arduino的端口，编译并上传

接收模块代码

/*
  Simple example for receiving
  
  https://github.com/sui77/rc-switch/
*/

#include 

RCSwitch mySwitch = RCSwitch();

void setup() {
     
  Serial.begin(9600);
  mySwitch.enableReceive(0);  // Receiver on interrupt 0 => that is pin #2
}

void loop() {
     
  if (mySwitch.available()) {
     
    
    Serial.print("Received ");
    Serial.println( mySwitch.getReceivedValue() );
//    Serial.print(" / ");
//    Serial.print( mySwitch.getReceivedBitlength() );
//    Serial.print("bit ");
//    Serial.print("Protocol: ");
//    Serial.println( mySwitch.getReceivedProtocol() );
    delay(1500);
    mySwitch.resetAvailable();
  }
}

新创建一个窗口粘贴接收代码，设置端口，编译并上传

打开接收板的串口监视器观察接收数据
预期接收数据1和2交替循环

效果展示

实物图