Interfacing FPM10A (50DY) Fingerprint sensor with Arduino
Hi, and welcome to this quick tutorial about interfacing the FPM10A or 50DY optical fingerprint sensor, it’s made by Adafruit. The module is very compact and easy to integrate in your projects especially safe locks, doors… or anything that you want to keep safe. The module has a nice chip that do the image rendering, conversion, searching… and has a flash memory where you can store the fingerprints images (templates) and it depends on the version you’re using the number of templates will variate, the one I’m using stores up to 127 image.
You can also use this module with Windows software but here we’re about Arduino for the moment.
There are few different versions, you can visually differentiate them but the connectors placement, the one I’m using has a connector on the back, there are some with connectors on the side…
FPM10A Fingerprint sensor
Wiring:
For the wiring, the module pins are written on it like mine
Or check this pinout that I took from Adafruit module document
Libraries:
You can download the LCD i2c Library here.
Download the Adafruit fingerprint sensor library here, or here.
Codes:
For the codes I’ve used are from the examples: Enroll and Fingerprint, the first one permits you to scan your fingerprints and associate them with an ID (number 1-127), upload the code and open your serial monitor then follow the steps.
Code 1: Enroll (from library examples)
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/*************************************************** This is an example sketch for our optical Fingerprint sensor Designed specifically to work with the Adafruit BMP085 Breakout These displays use TTL Serial to communicate, 2 pins are required to interface Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. BSD license, all text above must be included in any redistribution ****************************************************/ #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 (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); uint8_t id; void setup() { Serial.begin(9600); while (!Serial); // For Yun/Leo/Micro/Zero/... delay(100); Serial.println("\n\nAdafruit Fingerprint sensor enrollment"); // 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); } } Serial.println(F("Reading sensor parameters")); finger.getParameters(); Serial.print(F("Status: 0x")); Serial.println(finger.status_reg, HEX); Serial.print(F("Sys ID: 0x")); Serial.println(finger.system_id, HEX); Serial.print(F("Capacity: ")); Serial.println(finger.capacity); Serial.print(F("Security level: ")); Serial.println(finger.security_level); Serial.print(F("Device address: ")); Serial.println(finger.device_addr, HEX); Serial.print(F("Packet len: ")); Serial.println(finger.packet_len); Serial.print(F("Baud rate: ")); Serial.println(finger.baud_rate); } 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("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() ); } 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; } return true; } |
Code 2: Fingerprint (from library examples)
The second code scans your fingerprint and shows you the ID if you already enrolled it before, otherwise no response.
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/*************************************************** This is an example sketch for our optical Fingerprint sensor Designed specifically to work with the Adafruit BMP085 Breakout These displays use TTL Serial to communicate, 2 pins are required to interface Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. BSD license, all text above must be included in any redistribution ****************************************************/ #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 (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() { 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); delay(5); if (finger.verifyPassword()) { Serial.println("Found fingerprint sensor!"); } else { Serial.println("Did not find fingerprint sensor :("); while (1) { delay(1); } } Serial.println(F("Reading sensor parameters")); finger.getParameters(); Serial.print(F("Status: 0x")); Serial.println(finger.status_reg, HEX); Serial.print(F("Sys ID: 0x")); Serial.println(finger.system_id, HEX); Serial.print(F("Capacity: ")); Serial.println(finger.capacity); Serial.print(F("Security level: ")); Serial.println(finger.security_level); Serial.print(F("Device address: ")); Serial.println(finger.device_addr, HEX); Serial.print(F("Packet len: ")); Serial.println(finger.packet_len); Serial.print(F("Baud rate: ")); Serial.println(finger.baud_rate); finger.getTemplateCount(); if (finger.templateCount == 0) { Serial.print("Sensor doesn't contain any fingerprint data. Please run the 'enroll' example."); } else { Serial.println("Waiting for valid finger..."); Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates"); } } void loop() // run over and over again { getFingerprintID(); 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.fingerSearch(); 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; } |
Code 3: As shown in the video above
The code I’ve made: Download here or copy from below.
For the code I’ve used with the LCD i2c screen (the first two codes don’t need the LCD) it’s just a modified version of the “Fingerprint” code from the examples: to use it first you you upload the code “Enroll” and associate the fingerprints you want with their IDs and don’t forget the order then open the code I’ve made and go to line where I declare the names, it’s a String Array.
So here in the example above I enrolled the “Yassine” fingerprints as ID=1 but here in the array it’s number is 0 and if we want to use it we use:
Names[0] which is Names[(Yassine’s ID=1)-1]
That’s it, it shows you the name of the person.
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/* This code is to use with Adafruit FPM10A or DY50 Fingerprint optical Sensor and lcd i2c, it's a modification from the Adafruit example * Wiring Sensor/Uno GND/GND 3.3v/3.3v RX/D3 TX/D2 || LCD i2c/UNO GND/GND Vcc/5v SDA/A4 SCL/A5 * The code scans the finger when you place it on the sensor and shows you the name and Id if found a match * Refer To SurtrTech for more information || Lebouiha A.Y */ #include <Adafruit_Fingerprint.h> //Libraries needed #include <SoftwareSerial.h> #include <LCD.h> #include <LiquidCrystal_I2C.h> #define I2C_ADDR 0x27 //LCD i2c stuff #define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin 1 #define Rs_pin 0 #define D4_pin 4 #define D5_pin 5 #define D6_pin 6 #define D7_pin 7 String Names[] = { "Yassine", "Surtr", "Tech", "WannaDuino" }; //This is the array of names we declare you can add if you want //Don't forget the order so Yassine has ID 1 but his place is Names[0] SoftwareSerial mySerial(2, 3); //Connects with TX with D2 and RX with D3 LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin); //LCD declaring Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); //Fingerprin sensor declaring void setup() { Serial.begin(9600); finger.begin(57600); //Sensor baude rate lcd.begin (16,2); lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE); lcd.setBacklight(HIGH); lcd.home (); finger.getTemplateCount(); //Counts the number of templates stored in the sensor flash memory lcd.setCursor(0,0); lcd.print("Scan ready"); } void loop() { getFingerprintIDez(); //The only function we are running :D delay(50); //don't need to run this at full speed. } // returns -1 if failed, otherwise returns ID # int getFingerprintIDez() { uint8_t p = finger.getImage(); //Image scanning if (p != FINGERPRINT_OK) return -1; p = finger.image2Tz(); //Converting if (p != FINGERPRINT_OK) return -1; p = finger.fingerFastSearch(); //Looking for matches in the internal memory if (p != FINGERPRINT_OK) return -1; // found a match! lcd.clear(); lcd.print("Found match !"); lcd.setCursor(0,1); lcd.print(finger.fingerID); //If a match is found it shows the ID of the finger lcd.setCursor(2,1); lcd.print(Names[finger.fingerID-1]); //Then the name we gave it to it and the -1 is to remove the shift delay(3000); lcd.clear(); lcd.print("Scan ready"); return finger.fingerID; } |
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Yassine View All
Automation and Electrical Engineer, Electronics amateur trying to share my little projects.
Can we change the fingerprint sensor without changing library / with changing library !?? How we use solenoid lock. :;
This library is meant to work with the FPM10A, if you change the sensor check for the library that works with it, for the solenoid lock you should add a transistor, then you control the transistor only to open or close it, I plan to do a solenoid lock soon
thank you..can u share ur contact information…
You can contact me here
https://www.facebook.com/SurtrTech/
Consulta!.
La librería funciona para sensor de huellas DY50? y como puedo hacer que el arduino busque datos desde una base de datos MySql?
The FPM10A is DY50, they can have both names.
For the Database, I don’t think, the templates are stored on the module itself, the Arduino just send requests…
when I verify your code that is given above arduino show error
Hello, can you tell which error? Did you install the libraries?