HC-06 블루투스 모듈 1

HC-06

HM-10

아두이노 연결

통신

#include <SoftwareSerial.h>

int bTx=2;
int bRx=3;
SoftwareSerial BT(bTx, bRx);

void setup() 
{
  BT.begin(9600);
}

void loop()
{
}

설정

#include <SoftwareSerial.h>

const char bt_name[] = "REMOTE_CAR";
const char bt_pwd[]  = "9999";
 
int bTx=2;
int bRx=3;
SoftwareSerial BT(bTx, bRx);

bool sendMessage(String command) {
  BT.print(command);
  String result = BT.readString();
  if(result.startsWith("OK")) return true;
  return false;
}

void setup() 
{
  Serial.begin(9600);
  BT.begin(9600);

  String settingState;
  Serial.println("Processing...");

  settingState = "Handshake";
  if(!sendMessage("AT")) goto ERROR;
  
  settingState = "Set Name";
  if(!sendMessage(String("AT+NAME") + bt_name)) goto ERROR;
  
  settingState = "Set Password";
  if(!sendMessage(String("AT+PIN") + bt_pwd)) goto ERROR;

  // 1:1200, 2:2400, 3:4800, 4:9600, 5:19200, 6:28400, 7:57600, 8:115200
  settingState = "Set Speed";
  if(!sendMessage(String("AT+BAUD4"))) goto ERROR;

  Serial.print("BT_NAME : ");
  Serial.println(bt_name);
  Serial.print("BT_PWD  : ");
  Serial.println(bt_pwd);
  Serial.println("BT_BAUD : 9600");
  Serial.println("Setting Complete!");
  return;

  ERROR:
  Serial.println("Setting Fail : " + settingState);
}

void loop()
{
}