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CODE:   CLICK HERE CIRCUIT DIAGRAM : APP LINK : CLICK HERE VIDEO TUTORIAL : CLICK HERE

  CIRCUIT DIAGRAM : CODE : CLICK HERE

  CODE  :  CLICK HERE CIRCUIT DIAGRAM  :  APP NAME: AMR VOICE                                              CLICK HERE                                 YOUTUBE LINK

CODE :  DOWNLOAD CIRCUIT :

            OPTICAL FINGERPRINT SENSOR Optical fingerprint sensors take low-resolution snapshots of the tip of a finger and create arrays of identifiers that are then used to uniquely identify a given fingerprint.  RED          >  5V BLACK     >  Gnd YELLOW  >  2 WHITE      >  3 install Adafruit fingerprint library  go to manage the library and search fingerprint and click on Adafruit fingerprint library ENROLLING FINGERTIP IMPRESSION : FINGERPRINT LED CONTROLLING : CODE FOR LED : #include <Adafruit_Fingerprint.h> // For UNO and others without hardware serial, we must use software serial... // pin #2 is IN from sensor (YELLOW wire) // pin #3 is OUT from arduino (WHITE wire) // comment these two lines if using hardware serial SoftwareSerial mySerial(11,10); Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial); void setup() { Serial.begin(9600); while (!Serial); // For Yun/Leo/Micro/Zero/... delay(100); Serial.println("\n\nAdafruit f

Interfacing RFID with Servo and LED  click here for codes