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Tutorial for Arduino ▶22 Infrared Matrix Password Input System with Arduino
Posted by jack chen
Posted November 4, 2014 | 0 favorites
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ICStation team introduce you the Infrared Matrix Password Input System based on ICStation Compatible Board Arduino. It works under the DC 5v power supply, and uses the 4 *4 Matrix Keyboard or the infrared remote control to input the password, and uses the LCD1602 to display the characters which the correct password and wrong password corresponding. This system is very easy to made with low cost and has strong security. What’s more, it can be used in the special situations which normal humans should not close to, such the High radiation zone, the High infection area and so on. To make this system, we need the following items: ICStation ATMEGA2560 Mega2560 R3 Board Compatible Arduino 1×Bread board 1602A HD44780 Character LCD Display Module LCM Blue Backlight 4 *4 Matrix Keyboard:
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