Microcontroller-based embedded system play important role in web application control system. In Most of the modern manufacturing and processing industries like plastic, Textile, chemical, Pharmaceutical, Mixing-factory, server room need to monitor the environment physical data like temperature, intensity, humidity etc. through combination of hardware and software. This paper presents a way to build a low-cost customizable prototype for web application for server room monitor and appliances

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... ol based on Microcontroller and Wiznet W5100 ethernet chip through arduino ethernet shield. We can read the temperature and intensity data through sensor and monitor through LCD, Mobile or Desktop. Based on temperature we can control the appliances (like. Cooler, Fan, AC, Bulb.) from webpage. We can control more than one appliance at a time and store the temperature and intensity data in the database. We can analysis the past data of temperature and intensity after plotting the graph.