Paper Title
Coin-Based Mobile Charging Using Solar Panel

Abstract
This paper presents a coin-operated mobile charging system powered by solar energy, designed to mitigate the challenges of unreliable power supply in both urban and rural areas. Mobile devices have become indispensable in daily life, yet many regions struggle with inconsistent electricity, making it difficult for users to charge their devices. By harnessing solar power, this system offers a sustainable and eco-friendly solution that operates independently of the electrical grid. The system features a coin acceptor for an affordable, pay-as-you-go charging model, an LCD screen to provide user information, and support for a variety of mobile devices. Additionally, a remote monitoring system facilitates efficient management of charging stations. Traditional solar charging solutions often suffer from high costs, maintenance challenges, and limited accessibility. This project aims to address these issues by providing a cost-effective, reliable, and scalable charging solution that not only promotes environmental sustainability but also fosters community engagement through its self-sustaining, revenue-generating model. Keywords - Microcontroller, solar and Mobile charger, Relay module, Coil accepter module