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 →

Using 1.8 Inch TFT Display with Arduino

This tutorial is for the 1.8″ ST7735 TFT display. This display is a true TFT, the ST7735R driver can display full 18-bit colour. Wiring As the display is driven with 3.3V you will need voltage divider or logic level shifter to control it with Arduino. Using voltage divider Using Logic Level Shifter VA connects to Arduino... Continue Reading →

Whac-A-Button With Arduino

Whac-A-Mole like game with Arduino and Arcade style LED buttons   This is a very simple version of the Whac-a-mole game, where a button lights up and waits for the player to hit it. If the correct button is hit the score is updated and a new button lights up. The player is not punished... Continue Reading →

Temperature Sensor With Arduino

Temperature Sensor With Arduino DS18B20 and 1.8″ Display Use Arduino Nano, DS18B20 Temp sensor and 1.8″ inch ST7735R SPI 128*160  Display to display the current temperature as well as the min and max recorded temperature. Required components 1x Arduino Nano V3.0 ATmega328P CH340 5V 16MHz Soldered Heads 1x 1.8″ inch ST7735R SPI 128*160 TFT LCD Display... 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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