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Make Fingerprint Door Lock
Just Do Electronics
April 20, 2020
How to Make Fingerprint Door Lock at Home
Circuit Diagram :-
Code :-
//Prateek //www.prateeks.in #include
#include
int electronic_lock = 10; SoftwareSerial mySerial(2, 3);// Tx, Rx Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); void setup() { pinMode(7, OUTPUT); Serial.begin(9600); while (!Serial); delay(100); // 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(" template(s)"); 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. } 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); digitalWrite(electronic_lock, HIGH); delay(5000); //Change the door lock delay from here digitalWrite(electronic_lock, LOW); Serial.println("Unlocked"); return finger.fingerID; }
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