All the modules are powered with 5V from the Arduino. Below is the assembled image ... buzzerPin (Pin 5): Controls the buzzer for alerting the rider. lcd (0x27, 16, 2): LCD initialization with I2C ...

This project includes a 12-button keypad interfaced with a host MCU via I2C or UART, designed to serve as a mini keyboard for embedded systems. The STM32L010K4T6 handles debouncing and key scanning, ...

This library allows an Arduino board to control LiquidCrystal displays (LCDs ... General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your ...