Arduino ile Güvenlik Paneli (Keypad ve LCD)

In this tutorial we will learn how to make an Arduino Security Panel System with using Keypad and LCD Display.\r
We will be able to open the door by entering the correct password.\r
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Hardware Required :\r
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Arduino Board - \r
Keypad 4x4 - \r
LCD 16x02 - \r
LED\r
Wires - / \r
Breadboard - \r
Resistor 220ohm\r
Potentiometer 10k - \r
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Recommended Shopping Site -- \r
Arduino Starter Learning Kit -- \r
Arduino Compatible Tools -- \r
Arduino Modules Boards -- \r
Professional Tools -- \r
3D Printer and Tools -- \r
Flash Deals for Electronic -- \r
Mobile Device Deals -- \r
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LCD 16x02 Connection:\r
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The Arduinos +5V and GND will be connected to the pin of the breadboard\r
The LCD has 16 pins and the first one from left to right is the Ground (GND) pin\r
The second pin is the VCC which we connect the +5V pin on the breadboard.\r
Next is the Vo pin on which we can attach a potentiometer for the contrast of the display\r
The RS pin will be connected to the A0 pin of the Arduino.\r
The RW pin will be connected to the GND pin of the breadboard.\r
The E pin will be connected to the A1 pin of the Arduino.\r
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Keypad 4x4 Connections:\r
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The keypad has 8 pins, 4 of them are for the rows and other 4 pin for the columns.\r
The keypad Im using is 4x4. It has an additional connection input. The keypad used in the circuit diagram is 3x4.\r
The Keypads pins will be connected respectively to the Digital 1-2-3-4-5-6-7-8 pin of the Arduino.\r
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Source Code:\r
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Get the source code - \r
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Get the Keypad Library - \r
Put the Keypad folder in arduinolibraries\r
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Circuit Schematic Program -