A portable Arduino timer. Has two different modes: one where it counts up, and one where it counts down. The user interface is done through an LCD screen, and the input comes from 2 push buttons. The ...

This is a timer/counter program for Arduino Uno. It utilizes buttons as inputs, a buzzer as an indicator, and an LCD I2C 1602 display to provide user interface and display functionality. The program ...

Abstract: The rapid growth of mobile device usage necessitates innovative and sustainable charging solutions, particularly in regions with unreliable power supply. This study presents the design and ...