Description
This project made by using Arduino Uno board and keypad. you can change password any time and easy. 16x2 lcd display and 3x4 keypad are only need to test it.
- First, connect all component to Arduino as circuit diagram below.
- Second, connect Arduino to computer and flash source code to and follow details show on lcd display.
Circuit Diagram
click on image to view clearly
Part list
- Arduino Uno or other
- 16x2 LCD Display
- 3x4 Keypad
- 1.5K - 5K Variable resister
Final Result
Download Codes & Project here...
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