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[已解决] GPS/GPRS/GSM Module 簡訊無法發送

你好程式是照著範例有把號碼修改成要發送的對象也將SIM卡的PIN碼取消了
還是無法發送簡訊請問還有什麼地方可能有問題?

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// Product name: GPS/GPRS/GSM Module V3.0
// # Product SKU : TEL0051
// # Version    : 0.1

// # Description:
// # The sketch for driving the gsm mode via the Arduino board

// # Steps:
// #       1. Turn the S1 switch to the Prog(right side)
// #       2. Turn the S2 switch to the Arduino side(left side)
// #       3. Set the UART select switch to middle one.
// #       4. Upload the sketch to the Arduino board
// #       5. Turn the S1 switch to the comm(left side)
// #       6. RST the board

// #       wiki link- http://www.dfrobot.com/wiki/index.php/GPS/GPRS/GSM_Module_V3.0_(SKU:TEL0051)

byte gsmDriverPin[3] = {
  3,4,5};//The default digital driver pins for the GSM and GPS mode
//If you want to change the digital driver pins
//or you have a conflict with D3~D5 on Arduino board,
//you can remove the J10~J12 jumpers to reconnect other driver pins for the module!
void setup()
{
  //Init the driver pins for GSM function
  for(int i = 0 ; i < 3; i++){
pinMode(gsmDriverPin,OUTPUT);
  }
  digitalWrite(5,HIGH);//Output GSM Timing
  delay(1500);
  digitalWrite(5,LOW);
  digitalWrite(3,LOW);//Enable the GSM mode
  digitalWrite(4,HIGH);//Disable the GPS mode
  delay(2000);
  Serial.begin(9600); //set the baud rate
  delay(5000);//call ready
  delay(5000);
  delay(5000);
}

void loop()
{
  Serial.println("AT"); //Send AT command
  delay(2000);
  Serial.println("AT");
  delay(2000);
  //Send message
  Serial.println("AT+CMGF=1");
  delay(1000);
  Serial.println("AT+CMGS=\"15800449871\"");//Change the receiver phone number
  delay(1000);
  Serial.print("HELLO");//the message you want to send
  delay(1000);
  Serial.write(26);
  while(1);
}