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#include <SoftwareSerial.h>


#define BT_RXD 8

#define BT_TXD 7


SoftwareSerial bluetooth(BT_RXD, BT_TXD);



int buzzerPin = 4;

bool isDetection = false;


void setup()

{

&#160; Serial.begin(9600);

&#160; bluetooth.begin(9600);

&#160; pinMode(buzzerPin, OUTPUT);

}


void loop()

{

&#160; byte data;

&#160; while (bluetooth.available() > 0)

&#160; {

&#160; &#160; data = bluetooth.read();

&#160; &#160; Serial.write(data);


&#160; &#160; if (isDetection && data == 75)

&#160; &#160; {

&#160; &#160; &#160; Buzzer();

&#160; &#160; }

&#160; &#160; isDetection = false;

&#160; &#160; if (data == 79)

&#160; &#160; {

&#160; &#160; &#160; isDetection = true;

&#160; &#160; }

&#160; }


}

void Buzzer()

{

&#160; Serial.write("disconnected");

&#160; tone(buzzerPin, 131);

&#160; delay(5000);

&#160; noTone(buzzerPin);

&#160; delay(1000);


&#160; tone(buzzerPin, 262);

&#160; delay(5000);

&#160; noTone(buzzerPin);

&#160; delay(1000);

}

==========================================================

#include <Adafruit_Fingerprint.h>



#if (defined(__AVR__) || defined(ESP8266)) && !defined(__AVR_ATmega2560__)

// For UNO and others without hardware serial, we must use software serial...

// pin #2 is IN from sensor (GREEN wire)

// pin #3 is OUT from arduino &#160;(WHITE wire)

// Set up the serial port to use softwareserial..

SoftwareSerial mySerial(2, 3);


#else

// On Leonardo/M0/etc, others with hardware serial, use hardware serial!

// #0 is green wire, #1 is white

#define mySerial Serial1


#endif



Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);


int Relay = 13;


void setup()

{

&#160; pinMode(Relay, OUTPUT);

&#160; //digitalWrite(Relay,HIGH);


&#160; Serial.begin(9600);

&#160; while (!Serial); &#160;// For Yun/Leo/Micro/Zero/...

&#160; delay(100);

&#160; Serial.println("\n\nAdafruit finger detect test");


&#160; // set the data rate for the sensor serial port

&#160; finger.begin(57600);

&#160; delay(5);

&#160; if (finger.verifyPassword()) {

&#160; &#160; Serial.println("Found fingerprint sensor!");

&#160; } else {

&#160; &#160; Serial.println("Did not find fingerprint sensor :(");

&#160; &#160; while (1) {

&#160; &#160; &#160; delay(1);

&#160; &#160; }

&#160; }


&#160; Serial.println(F("Reading sensor parameters"));

&#160; finger.getParameters();

&#160; Serial.print(F("Status: 0x")); Serial.println(finger.status_reg, HEX);

&#160; Serial.print(F("Sys ID: 0x")); Serial.println(finger.system_id, HEX);

&#160; Serial.print(F("Capacity: ")); Serial.println(finger.capacity);

&#160; Serial.print(F("Security level: ")); Serial.println(finger.security_level);

&#160; Serial.print(F("Device address: ")); Serial.println(finger.device_addr, HEX);

&#160; Serial.print(F("Packet len: ")); Serial.println(finger.packet_len);

&#160; Serial.print(F("Baud rate: ")); Serial.println(finger.baud_rate);


&#160; finger.getTemplateCount();


&#160; if (finger.templateCount == 0) {

&#160; &#160; Serial.print("Sensor doesn't contain any fingerprint data. Please run the 'enroll' example.");

&#160; }

&#160; else {

&#160; &#160; Serial.println("Waiting for valid finger...");

&#160; &#160; Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates");

&#160; }

&#160; &#160;//digitalWrite(Relay,LOW);

}


void loop() &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; // run over and over again

{

&#160; //digitalWrite(Relay,LOW);

&#160; getFingerprintID();

&#160; delay(50); &#160; &#160; &#160; &#160; &#160; &#160;//don't ned to run this at full speed.

}


uint8_t getFingerprintID() {

&#160; uint8_t p = finger.getImage();

&#160; switch (p) {

&#160; &#160; case FINGERPRINT_OK:

&#160; &#160; &#160; Serial.println("Image taken");

&#160; &#160; &#160; break;

&#160; &#160; case FINGERPRINT_NOFINGER:

&#160; &#160; &#160; Serial.println("No finger detected");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_PACKETRECIEVEERR:

&#160; &#160; &#160; Serial.println("Communication error");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_IMAGEFAIL:

&#160; &#160; &#160; Serial.println("Imaging error");

&#160; &#160; &#160; return p;

&#160; &#160; default:

&#160; &#160; &#160; Serial.println("Unknown error");

&#160; &#160; &#160; return p;

&#160; }


&#160; // OK success!


&#160; p = finger.image2Tz();

&#160; switch (p) {

&#160; &#160; case FINGERPRINT_OK:

&#160; &#160; &#160; Serial.println("Image converted");

&#160; &#160; &#160; break;

&#160; &#160; case FINGERPRINT_IMAGEMESS:

&#160; &#160; &#160; Serial.println("Image too messy");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_PACKETRECIEVEERR:

&#160; &#160; &#160; Serial.println("Communication error");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_FEATUREFAIL:

&#160; &#160; &#160; Serial.println("Could not find fingerprint features");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_INVALIDIMAGE:

&#160; &#160; &#160; Serial.println("Could not find fingerprint features");

&#160; &#160; &#160; return p;

&#160; &#160; default:

&#160; &#160; &#160; Serial.println("Unknown error");

&#160; &#160; &#160; return p;

&#160; }


&#160; // OK converted!

&#160; p = finger.fingerSearch();

&#160; if (p == FINGERPRINT_OK) {

&#160; &#160; Serial.println("Found a print match!");


&#160; &#160; digitalWrite(Relay, HIGH);



&#160; } else if (p == FINGERPRINT_PACKETRECIEVEERR) {

&#160; &#160; Serial.println("Communication error");

&#160; &#160; return p;

&#160; } else if (p == FINGERPRINT_NOTFOUND) {

&#160; &#160; Serial.println("Did not find a match");

&#160; &#160; digitalWrite(Relay, LOW);

&#160; &#160; return p;

&#160; } else {

&#160; &#160; Serial.println("Unknown error");

&#160; &#160; return p;

&#160; }


&#160; // found a match!

&#160; Serial.print("Found ID #"); Serial.print(finger.fingerID);

&#160; Serial.print(" with confidence of "); Serial.println(finger.confidence);


&#160; return finger.fingerID;

}


// returns -1 if failed, otherwise returns ID #

int getFingerprintIDez() {

&#160; uint8_t p = finger.getImage();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; p = finger.image2Tz();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; p = finger.fingerFastSearch();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; // found a match!

&#160; Serial.print("Found ID #"); Serial.print(finger.fingerID);

&#160; Serial.print(" with confidence of "); Serial.println(finger.confidence);

&#160; return finger.fingerID;

}

========================================================

#include <Adafruit_Fingerprint.h>

#include <SoftwareSerial.h>


#define BT_RXD 8

#define BT_TXD 7


SoftwareSerial bluetooth(BT_RXD, BT_TXD);


int buzzerPin = 4;

int Relay = 13;

bool isDetection = false;


#if (defined(__AVR__) || defined(ESP8266)) && !defined(__AVR_ATmega2560__)

// For UNO and others without hardware serial, we must use software serial...

// pin #2 is IN from sensor (GREEN wire)

// pin #3 is OUT from arduino &#160;(WHITE wire)

// Set up the serial port to use softwareserial..

SoftwareSerial mySerial(2, 3);


#else

// On Leonardo/M0/etc, others with hardware serial, use hardware serial!

// #0 is green wire, #1 is white

#define mySerial Serial1


#endif



Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);


void setup()

{

&#160; pinMode(Relay, OUTPUT);

&#160; pinMode(buzzerPin, OUTPUT);


&#160; Serial.begin(57600);

&#160; bluetooth.begin(57600);

&#160; while (!Serial); &#160;// For Yun/Leo/Micro/Zero/...

&#160; delay(100);

&#160; Serial.println("\n\nAdafruit finger detect test");


&#160; finger.begin(57600);

&#160; delay(5);

&#160; if (finger.verifyPassword()) {

&#160; &#160; Serial.println("Found fingerprint sensor!");

&#160; } else {

&#160; &#160; Serial.println("Did not find fingerprint sensor :(");

&#160; &#160; while (1) {

&#160; &#160; &#160; delay(1);

&#160; &#160; }

&#160; }


&#160; Serial.println(F("Reading sensor parameters"));

&#160; finger.getParameters();

&#160; Serial.print(F("Status: 0x")); Serial.println(finger.status_reg, HEX);

&#160; Serial.print(F("Sys ID: 0x")); Serial.println(finger.system_id, HEX);

&#160; Serial.print(F("Capacity: ")); Serial.println(finger.capacity);

&#160; Serial.print(F("Security level: ")); Serial.println(finger.security_level);

&#160; Serial.print(F("Device address: ")); Serial.println(finger.device_addr, HEX);

&#160; Serial.print(F("Packet len: ")); Serial.println(finger.packet_len);

&#160; Serial.print(F("Baud rate: ")); Serial.println(finger.baud_rate);


&#160; finger.getTemplateCount();


&#160; if (finger.templateCount == 0) {

&#160; &#160; Serial.print("Sensor doesn't contain any fingerprint data. Please run the 'enroll' example.");

&#160; }

&#160; else {

&#160; &#160; Serial.println("Waiting for valid finger...");

&#160; &#160; Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates");

&#160; }

}


void loop() &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; // run over and over again

{

&#160; &#160; byte data;

&#160; while (bluetooth.available() > 0)

&#160; {

&#160; &#160; data = bluetooth.read();

&#160; &#160; Serial.write(data);


&#160; &#160; if (isDetection && data == 75)

&#160; &#160; {

&#160; &#160; &#160; Buzzer();

&#160; &#160; }

&#160; &#160; isDetection = false;

&#160; &#160; if (data == 79)

&#160; &#160; {

&#160; &#160; &#160; isDetection = true;

&#160; &#160; }

&#160; }


&#160; getFingerprintID();

&#160; delay(50); &#160; &#160; &#160; &#160; &#160; &#160;//don't ned to run this at full speed.

}


uint8_t getFingerprintID() {

&#160; uint8_t p = finger.getImage();

&#160; switch (p) {

&#160; &#160; case FINGERPRINT_OK:

&#160; &#160; &#160; Serial.println("Image taken");

&#160; &#160; &#160; break;

&#160; &#160; case FINGERPRINT_NOFINGER:

&#160; &#160; &#160; Serial.println("No finger detected");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_PACKETRECIEVEERR:

&#160; &#160; &#160; Serial.println("Communication error");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_IMAGEFAIL:

&#160; &#160; &#160; Serial.println("Imaging error");

&#160; &#160; &#160; return p;

&#160; &#160; default:

&#160; &#160; &#160; Serial.println("Unknown error");

&#160; &#160; &#160; return p;

&#160; }


&#160; // OK success!


&#160; p = finger.image2Tz();

&#160; switch (p) {

&#160; &#160; case FINGERPRINT_OK:

&#160; &#160; &#160; Serial.println("Image converted");

&#160; &#160; &#160; break;

&#160; &#160; case FINGERPRINT_IMAGEMESS:

&#160; &#160; &#160; Serial.println("Image too messy");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_PACKETRECIEVEERR:

&#160; &#160; &#160; Serial.println("Communication error");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_FEATUREFAIL:

&#160; &#160; &#160; Serial.println("Could not find fingerprint features");

&#160; &#160; &#160; return p;

&#160; &#160; case FINGERPRINT_INVALIDIMAGE:

&#160; &#160; &#160; Serial.println("Could not find fingerprint features");

&#160; &#160; &#160; return p;

&#160; &#160; default:

&#160; &#160; &#160; Serial.println("Unknown error");

&#160; &#160; &#160; return p;

&#160; }


&#160; // OK converted!

&#160; p = finger.fingerSearch();

&#160; if (p == FINGERPRINT_OK) {

&#160; &#160; Serial.println("Found a print match!");


&#160; &#160; digitalWrite(Relay, HIGH);



&#160; } else if (p == FINGERPRINT_PACKETRECIEVEERR) {

&#160; &#160; Serial.println("Communication error");

&#160; &#160; return p;

&#160; } else if (p == FINGERPRINT_NOTFOUND) {

&#160; &#160; Serial.println("Did not find a match");

&#160; &#160; digitalWrite(Relay, LOW);

&#160; &#160; return p;

&#160; } else {

&#160; &#160; Serial.println("Unknown error");

&#160; &#160; return p;

&#160; }


&#160; Serial.print("Found ID #"); Serial.print(finger.fingerID);

&#160; Serial.print(" with confidence of "); Serial.println(finger.confidence);


&#160; return finger.fingerID;

}


// returns -1 if failed, otherwise returns ID #

int getFingerprintIDez() {

&#160; uint8_t p = finger.getImage();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; p = finger.image2Tz();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; p = finger.fingerFastSearch();

&#160; if (p != FINGERPRINT_OK) &#160;return -1;


&#160; // found a match!

&#160; Serial.print("Found ID #"); Serial.print(finger.fingerID);

&#160; Serial.print(" with confidence of "); Serial.println(finger.confidence);

&#160; return finger.fingerID;

}


void Buzzer()

{

&#160; Serial.write("disconnected");

&#160; tone(buzzerPin, 131);

&#160; delay(5000);

&#160; noTone(buzzerPin);

&#160; delay(1000);


&#160; tone(buzzerPin, 262);

&#160; delay(5000);

&#160; noTone(buzzerPin);

&#160; delay(1000);

}

========================================


코드가 길Ǻ12; 1396;송합니다.


첫번1704; 코드lj16; 블루투스 연결 후 블루투스가 -130;Ǻ12;1648;면 ǥ12;1200;를 울리/140;고 만들었습니다.

.160;번1704; 코드lj16; 릴/112;1060;에 솔/112;노1060;드와 1648;문1064;식1109;치/196; 1104;금1109;치를 만들Ǻ12; 보고1088; Ȣ16;였습니다.

세번1704; 코드lj16; 위1032; .160; 기능1012; Ȣ16;나1032; 아.160;1060;노에 1665;Ǻ12;넣고 dz10;Ǻ12; 합쳐봤습니다.


다만 .160; 코드 합치1648; 않고 각1088; 썼1012;ǐ16; 문1228;가 없었lj16;데 세번1704; 코드에서 ǥ12;1200; ǥ12;ǥ16;1060; 1089;ᇼ1;1060; 안.121;니다.

블루투스 연결, 1648;문1060; 1068;치Ȣ16;면 1104;금 off 모.160; 1089;ᇼ116;lj16;데 블루투스가 -130;Ǻ12;1656; ǐ12; ǥ12;1200;를 울리도/197; Ȣ16;lj16; 기능1060; 1089;ᇼ116;1656; 않습니다.


.160; 코드를 합치면서 1228;가 실수한 ǥ12;ǥ16;1060; 1080;lj16;1648; 가르쳐1452;시면 1221;말 도움 많1060; .112; ,163; 같습니다.

cojubu72
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±¸Â÷´Ï 2022-12
void loop()                    // run over and over again
{
    byte data;
  while (bluetooth.available() > 0)
  {
    data = bluetooth.read();
    Serial.write(data);
    if (isDetection && data == 75)
    {
      Buzzer();
    }
    isDetection = false;
    if (data == 79)
    {
      isDetection = true;
    }
  }
  getFingerprintID();
  delay(50);            //don't ned to run this at full speed.
}

BT°¡ available ÇÒ¶§¸¸ loop°¡ À¯ÁöµÇ°í unavailable Çϸé while()¿¡¼­ ƨ°Ü ³ª°¡¸é¼­
get FingerpirntID(); delay(50)¸¸ ½ÇÇàµÇ°í
BT°¡ ¿ì¿¬È÷ available ÇØÁöÁö ¾Ê´Â ÀÌ»ó ´Ù½Ã Àú ¾ÈÀÇ ·çÇÁ·Î µé¾î°¡Áö ¸øÇÏ°Ô µË´Ï´Ù.

¾ÆµÎÀ̳ëÀÇ °æ¿ì loop() ÇÔ¼ö¿¡¼­ ¶Ç loop¸¦ µ¹¸®´Â°Ô ¿ÇÀº ÇÁ·Î±×·¡¹Ö ¹æÇâÀÌ ¾Æ´Ò°Ì´Ï´Ù.
loop() ÇÔ¼ö ÀÚü¸¦ »óÀ§ (º¸ÀÌÁö ¾Ê´Â) Äڵ忡¼­ while()¿¡ ÀÇÇؼ­ µ¹¸®°í Àֱ⠶§¹®ÀÌÁÒ.

¾Æ¹«Æ° ±»ÀÌ ¼öÁ¤À» ÇØ¾ß ÇÑ´Ù¸é

if(bt.available() > 0)
{ // BT Á¤»ó
}
else
{
Buzzer(); // BT not available
Serial.println("BT failed.");
// bluetooth.reinit()..
}

½ÄÀ¸·Î ±¸ÇöÇÏ½Ã¸é µÉ °Í °°½À´Ï´Ù.
±¸Â÷´Ï 2022-12
https://docs.arduino.cc/learn/built-in-libraries/software-serial#available

ÇØ´çÇÔ¼ö´Â BTÀÇ »ýÁ¸À» È®ÀÎÇÏ´Â°Ô ¾Æ´Ï¶ó ¼ÒÇÁÆ®¿þ¾î ½Ã¸®¾ó Æ÷Æ®¸¦ ÅëÇØ µ¥ÀÌÅÍ°¡ ÀÐÈ÷´Â°Ô ÀÖ³Ä? ¶ó´Â ±â´ÉÀ» °¡Áø ÇÔ¼ö °°½À´Ï´Ù.
BT ¿Í Åë½ÅÀ» ½ÃµµÇÏ°í timeout ÀÌÈÄ Á×¾ú´Ù°í ÆǴܵǸé else ºÎºÐÀ» ±¸µ¿Çϵµ·Ï º¯°æÇÒ ÇÊ¿ä°¡ ÀÖÀ» °Í °°½À´Ï´Ù.


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