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Arduino Leonardo - Electronic Lock

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For easy use of the LCD I used an LCD I2C module. Otherwise I wouldn't be able to utilize all the other pins on the Leonardo.

I2C module for the LCD I2C module for the LCD
LCD with the I2C module attached LCD with the I2C module attached
Current Page 4. The LCD module 1. Introduction 2. The Schematic 3. The Keypad 4. The LCD module 5. The Servo 6. The code - part 1 - The Keypad 7. The code - part 2 - The LCD 8. The code - part 3 - The code 9. The code - part 4 - More codes 10. The code - part 5 - Setup and Loop 11. The full code Posted by

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Arduino Leonardo - clone 4x4 Button keypad FEETECH High-Torque Servo FS5115M 20x4 Characters lcd module blue I2C LCD interface module
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