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我已经成功连接到 Xbees。一个通过 XbeeExplorer 连接到 CPU，另一个是 ElSequencer（一个 lilypad arduino 板）。连接效果很好，我可以毫无问题地使用串行监视器发送无线信号。波特率、泛 ID 和目标地址均正确且有效。奇怪的是，Xbee 不断向 Arduino 随机发送数据。像各种串行信号。如果我把 Arduino 打印回接收到的信号，

Serial.print(incomingByte);

我也开始看到无限信号回来了。Xbee 在没有任何命令的情况下不断发送序列是什么意思。这些值是完全随机的。Like: 126010 131005301080854 126010131005301080854 126010131005301080854 126010131005101080856 126010131005101080856 126010131005301080854 126010131005201080855

我的arduino代码如下。是一个简单的开关灯。由于 Xbee 不断发送随机信号，有时信号与编程信号匹配，并且灯会打开或关闭。

int incomingByte;      // a variable to read incoming serial data into

void setup() {
  // initialize serial communication:
  Serial.begin(57600);

  // The EL channels are on pins 2 through 9
            // Initialize the pins as outputs
            pinMode(2, OUTPUT);  // channel A  
            pinMode(3, OUTPUT);  // channel B   
            pinMode(4, OUTPUT);  // channel C
            pinMode(5, OUTPUT);  // channel D    
            pinMode(6, OUTPUT);  // channel E
            pinMode(7, OUTPUT);  // channel F
            pinMode(8, OUTPUT);  // channel G
            pinMode(9, OUTPUT);  // channel H

}

void loop() {
  // see if there's incoming serial data:
  if (Serial.available() > 0) {
    // read the oldest byte in the serial buffer:
    incomingByte = Serial.read();
    Serial.print(incomingByte);

    //EL WIRES
    if (incomingByte == 'A') {
      digitalWrite(2, HIGH);
    }
   if (incomingByte == 'B') {
      digitalWrite(3, HIGH);
    }
   if (incomingByte == 'C') {
      digitalWrite(4, HIGH);
    }
   if (incomingByte == 'D') {
      digitalWrite(5, HIGH);
    }
   if (incomingByte == 'E') {
      digitalWrite(6, HIGH);
    }
   if (incomingByte == 'F') {
      digitalWrite(7, HIGH);
    }
   if (incomingByte == 'G') {
      digitalWrite(8, HIGH);
    }
   if (incomingByte == 'H') {
      digitalWrite(9, HIGH);
    }
   //
  if (incomingByte == 'I') {
      digitalWrite(2, LOW);
    }
   if (incomingByte == 'J') {
      digitalWrite(3, LOW);
    }
   if (incomingByte == 'L') {
      digitalWrite(4, LOW);
    }
   if (incomingByte == 'M') {
      digitalWrite(5, LOW);
    }
   if (incomingByte == 'N') {
      digitalWrite(6, LOW);
    }
   if (incomingByte == 'O') {
      digitalWrite(7, LOW);
    }
   if (incomingByte == 'P') {
      digitalWrite(8, LOW);
    }
   if (incomingByte == 'Q') {
      digitalWrite(9, LOW);
    } 
  }
}
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