Design and Implementation of Coin-Based WIFI System for Coffee Shop or Cafe Business
Perancangan dan Implementasi Sistem WIFI Berbasis Koin Untuk Usaha Warung Kopi Atau Kafe
DOI:
https://doi.org/10.21070/ups.8887Keywords:
WiFi Coin, Coffee shop or cafe, Raspberry Pi, Coin sensor, SQLite, Star topology, Speed testAbstract
This study develops a cost-effective, standalone internet access system for micro-businesses like coffee shops, addressing infrastructure and cost issues in conventional WiFi. It introduces a coin-based prepaid WiFi system integrating a coin sensor, microcontroller, and Raspberry Pi as the control center. Coins of Rp500 and Rp1000 are automatically converted into internet access time, with transactions stored in a local SQLite database. A web-based administration interface is built using Flask. The PPDIOO (Prepare, Plan, Design, Implement, Operate, Optimize) methodology ensures gradual, flexible development. Performance is evaluated through QoS testing, achieving 25 Mbps download speed, 16 ms latency, 18 ms jitter, and 0% packet loss, meeting international standards. Results confirm the system’s stability and effectiveness as a budget-friendly internet solution, promoting digital inclusion in the informal sector. This design enables small businesses to adopt the system easily, with minimal technical requirements and low operational costs, enhancing accessibility to reliable internet services.
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