Modul Sensor Fingerprint merupakan modul sensor yang berfungsi pemindaian identitas sidik jari manusia yang bersifat unik. Fingerprint kerap kali digunakan sebagai opsi untuk mengamankan suatu benda, tak jarang fingerprint juga digunakan sebagai media akses kedalam rumah. Kali ini kita akan mencoba mendaftarkan sidik jari pada sensor fingerprint.
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1. Alat / Bahan
- Arduino IDE Download disini
- Library: Fingerprint Download disini
- Sensor Fingerprint 1 Buah
- Arduino UNO 1 Buah
- Kabel Jumper Secukupnya
Untuk mendapatkan komponen elektronik di atas silahkan temukan disini.
2. Skema Rangkaian
Gambar Rangkaian Cara Mendaftarkan Sidik Jari Pada Sensor Fingerprint
Keterangan:
- 5V – VCC Fingerprint
- GND – GND Fingerprint
- D2 – TX Fingerprint
- D3 – RX Fingerprint
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3. Langkah Kerja
- Siapkan alat dan bahan yang akan digunakan
- Lakukan proses wiring dengan menggunakan Gambar skematik rangkaian diatas
- Buka software Arduino IDE yang telah terinstal pada laptop/komputer
- Unduh semua library di atas dan masukkan libray tersebut dengan cara buka Arduino IDE pilih Sketch->Include Library->Add.Zip Library
- Ketikkan sketch program pada halaman Arduino IDE
- Upload sketch enroll untuk mendaftarkan sidik jari, upload sketch fingerprint untuk menguji sidik jari yang telah didaftarkan, upload sketch delete untuk menghapus sidik jari yang tersimpan
4. Sketch Program
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Program Enroll
/* Program Cara Mendaftarkan Sidik Jari Pada Sensor Fingerprint dibuat oleh Indobot */ #include "Adafruit_Fingerprint.h" #include "SoftwareSerial.h" SoftwareSerial mySerial(2, 3); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); uint8_t id; void setup() { Serial.begin(9600); finger.begin(57600); if (finger.verifyPassword()) { Serial.println("FingerPrint Sensor Ditemukan!"); } else { Serial.println("FingerPrint Sensor Tidak Ditemukan! :("); while (1) { delay(1); } } } void loop() { ENROLL(); } //---------------------------------------ENROLL--------------------------------------------------------------// void ENROLL() { Serial.println("Ready to enroll a fingerprint!"); Serial.println("Please type in the ID # (from 1 to 127) you want to save this finger as..."); id = readnumber(); if (id == 0) {// ID #0 not allowed, try again! return; } Serial.print("Enrolling ID #"); Serial.println(id); while (! getFingerprintEnroll() ); } //------------------------------------PROSES ENROLL----------------------------------------------------------// uint8_t readnumber(void) { uint8_t num = 0; while (num == 0) { while (! Serial.available()); num = Serial.parseInt(); } return num; } //----RETURN NUM-------------------// uint8_t getFingerprintEnroll() { int p = -1; Serial.print("Waiting for valid finger to enroll as #"); Serial.println(id); while (p != FINGERPRINT_OK) { p = finger.getImage(); switch (p) { case FINGERPRINT_OK: Serial.println("Image taken"); break; case FINGERPRINT_NOFINGER: Serial.println("."); break; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); break; case FINGERPRINT_IMAGEFAIL: Serial.println("Imaging error"); break; default: Serial.println("Unknown error"); break; } } // OK success! p = finger.image2Tz(1); switch (p) { case FINGERPRINT_OK: Serial.println("Image converted"); break; case FINGERPRINT_IMAGEMESS: Serial.println("Image too messy"); return p; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); return p; case FINGERPRINT_FEATUREFAIL: Serial.println("Could not find fingerprint features"); return p; case FINGERPRINT_INVALIDIMAGE: Serial.println("Could not find fingerprint features"); return p; default: Serial.println("Unknown error"); return p; } Serial.println("Remove finger"); delay(2000); p = 0; while (p != FINGERPRINT_NOFINGER) { p = finger.getImage(); } Serial.print("ID "); Serial.println(id); p = -1; Serial.println("Place same finger again"); while (p != FINGERPRINT_OK) { p = finger.getImage(); switch (p) { case FINGERPRINT_OK: Serial.println("Image taken"); break; case FINGERPRINT_NOFINGER: Serial.print("."); break; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); break; case FINGERPRINT_IMAGEFAIL: Serial.println("Imaging error"); break; default: Serial.println("Unknown error"); break; } } // OK success! p = finger.image2Tz(2); switch (p) { case FINGERPRINT_OK: Serial.println("Image converted"); break; case FINGERPRINT_IMAGEMESS: Serial.println("Image too messy"); return p; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); return p; case FINGERPRINT_FEATUREFAIL: Serial.println("Could not find fingerprint features"); return p; case FINGERPRINT_INVALIDIMAGE: Serial.println("Could not find fingerprint features"); return p; default: Serial.println("Unknown error"); return p; } // OK converted! Serial.print("Creating model for #"); Serial.println(id); p = finger.createModel(); if (p == FINGERPRINT_OK) { Serial.println("Prints matched!"); } else if (p == FINGERPRINT_PACKETRECIEVEERR) { Serial.println("Communication error"); return p; } else if (p == FINGERPRINT_ENROLLMISMATCH) { Serial.println("Fingerprints did not match"); return p; } else { Serial.println("Unknown error"); return p; } Serial.print("ID "); Serial.println(id); p = finger.storeModel(id); if (p == FINGERPRINT_OK) { Serial.println("Stored!"); } else if (p == FINGERPRINT_PACKETRECIEVEERR) { Serial.println("Communication error"); return p; } else if (p == FINGERPRINT_BADLOCATION) { Serial.println("Could not store in that location"); return p; } else if (p == FINGERPRINT_FLASHERR) { Serial.println("Error writing to flash"); return p; } else { Serial.println("Unknown error"); return p; } } //---------------------------------------ENROLL END--------------------------------//
Program Fingerprint
/* Program Cara Mendaftarkan Sidik Jari Pada Sensor Fingerprint dibuat oleh Indobot */ #include <Adafruit_Fingerprint.h> // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white // uncomment this line: // #define mySerial Serial1 // 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 (WHITE wire) // comment these two lines if using hardware serial #include <SoftwareSerial.h> SoftwareSerial mySerial(2, 3); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); void setup() { Serial.begin(9600); while (!Serial); // For Yun/Leo/Micro/Zero/... delay(100); Serial.println("\n\nAdafruit finger detect test"); // set the data rate for the sensor serial port finger.begin(57600); if (finger.verifyPassword()) { Serial.println("Found fingerprint sensor!"); } else { Serial.println("Did not find fingerprint sensor :("); while (1) { delay(1); } } finger.getTemplateCount(); Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates"); Serial.println("Waiting for valid finger..."); } void loop() // run over and over again { getFingerprintIDez(); delay(50); //don't ned to run this at full speed. } uint8_t getFingerprintID() { uint8_t p = finger.getImage(); switch (p) { case FINGERPRINT_OK: Serial.println("Image taken"); break; case FINGERPRINT_NOFINGER: Serial.println("No finger detected"); return p; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); return p; case FINGERPRINT_IMAGEFAIL: Serial.println("Imaging error"); return p; default: Serial.println("Unknown error"); return p; } // OK success! p = finger.image2Tz(); switch (p) { case FINGERPRINT_OK: Serial.println("Image converted"); break; case FINGERPRINT_IMAGEMESS: Serial.println("Image too messy"); return p; case FINGERPRINT_PACKETRECIEVEERR: Serial.println("Communication error"); return p; case FINGERPRINT_FEATUREFAIL: Serial.println("Could not find fingerprint features"); return p; case FINGERPRINT_INVALIDIMAGE: Serial.println("Could not find fingerprint features"); return p; default: Serial.println("Unknown error"); return p; } // OK converted! p = finger.fingerFastSearch(); if (p == FINGERPRINT_OK) { Serial.println("Found a print match!"); } else if (p == FINGERPRINT_PACKETRECIEVEERR) { Serial.println("Communication error"); return p; } else if (p == FINGERPRINT_NOTFOUND) { Serial.println("Did not find a match"); return p; } else { Serial.println("Unknown error"); return p; } // found a match! Serial.print("Found ID #"); Serial.print(finger.fingerID); Serial.print(" with confidence of "); Serial.println(finger.confidence); return finger.fingerID; } // returns -1 if failed, otherwise returns ID # int getFingerprintIDez() { uint8_t p = finger.getImage(); if (p != FINGERPRINT_OK) return -1; p = finger.image2Tz(); if (p != FINGERPRINT_OK) return -1; p = finger.fingerFastSearch(); if (p != FINGERPRINT_OK) return -1; // found a match! Serial.print("Found ID #"); Serial.print(finger.fingerID); Serial.print(" with confidence of "); Serial.println(finger.confidence); return finger.fingerID; }
Program Delete
/* Program Cara Mendaftarkan Sidik Jari Pada Sensor Fingerprint dibuat oleh Indobot */ #include <Adafruit_Fingerprint.h> // On Leonardo/Micro or others with hardware serial, use those! #0 is green wire, #1 is white // uncomment this line: // #define mySerial Serial1 // 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 (WHITE wire) // comment these two lines if using hardware serial #include <SoftwareSerial.h> SoftwareSerial mySerial(2, 3); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); void setup() { Serial.begin(9600); while (!Serial); // For Yun/Leo/Micro/Zero/... delay(100); Serial.println("\n\nDelete Finger"); // set the data rate for the sensor serial port finger.begin(57600); if (finger.verifyPassword()) { Serial.println("Found fingerprint sensor!"); } else { Serial.println("Did not find fingerprint sensor :("); while (1); } } uint8_t readnumber(void) { uint8_t num = 0; while (num == 0) { while (! Serial.available()); num = Serial.parseInt(); } return num; } void loop() // run over and over again { Serial.println("Please type in the ID # (from 1 to 127) you want to delete..."); uint8_t id = readnumber(); if (id == 0) {// ID #0 not allowed, try again! return; } Serial.print("Deleting ID #"); Serial.println(id); deleteFingerprint(id); } uint8_t deleteFingerprint(uint8_t id) { uint8_t p = -1; p = finger.deleteModel(id); if (p == FINGERPRINT_OK) { Serial.println("Deleted!"); } else if (p == FINGERPRINT_PACKETRECIEVEERR) { Serial.println("Communication error"); return p; } else if (p == FINGERPRINT_BADLOCATION) { Serial.println("Could not delete in that location"); return p; } else if (p == FINGERPRINT_FLASHERR) { Serial.println("Error writing to flash"); return p; } else { Serial.print("Unknown error: 0x"); Serial.println(p, HEX); return p; } }
Kesimpulan:
Program bekerja melalui 3 tahap program.
Program pertama adalah entroll yang digunakan untuk memasukan dan menyimpan sidik jari yang kita masukan. Pada program entroll mula mula program akan mendeteksi ada tidaknya sensor fingerprint bila ada makan serial monitor akan mampilkan “Fingerprint Sensor Ditemukan” kemudian kita siap untuk memasukan data sidik jari, sebelum itu masukan ID untuk menyimpan kode fingerprint, kemudian tempelkan jari yang sidiknya akan disimpan tunggu beberapa saat hingga serial monitor menampilkan pemberitahuan “Image taken” “Image Converted” dan lepas jari ketika serial monitor menampilkan pemberitahuan “remove finger” kemudian ikuti intruksi yang tertera di serial monitor hingga serial monitor menampilkan pemberitahuan “Stored”.
Program kedua adalah fingerprint yang digunakan untuk mendeteksi apakah sidik jari sudah bener terdaftar atau belum. Setelah program berhasil di upload cobalah mengakses fingerprint dengan jari yang sudah didaftarkan apabila akses berhasil maka serial monitor akan menampilkan ID yang telah dibuat.
Program terakhir adalah delete yang digunakan untuk menghapus data sidik jari yang di daftarkan, jalankan program tersebut hingga tertampil perintah untuk memasukan ID yang akan dihapus. Ketik ID yang akan dihapus lalu tunggu hingga serial monitor menamiplkan pemberitahuan “Deleted” yang berarti data sidik jari ID yang dituju telah terhapus. Untuk memastikannya cobalah akses dengan program fingerprint maka akses akan ditolak.
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