Arduino Fingerprint Sensor

Using Optical Fingerprint Sensor With Arduino Use an optical fingerprint sensor to add biometrics to your projects .This module has a high powered DSP chip AS608 that does the image rendering, calculation, feature-finding and searching. Connect to any microcontroller or system with TTL serial, and send packets of data to take photos, detect prints, hash and... Continue Reading →

Connecting a 4X4 Membrane Keypad to an Arduino

You can use any Arduino compatible board with 8 free digital pins First install the Keypad Library In the Arduino IDE go to: Sketch->Include Library->Manage Libraries,then search for Keypad and install. Open the example sketch and edit it. Example–>Keypad–>HelloKeypad #include <Keypad.h> const byte ROWS = 4; //four rows const byte COLS = 4; //four columns char... Continue Reading →

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