Using a SIM900A to Send Sensor Data to a Website

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I want to be able to monitor the temperature and humidity onboard my boat and to see the data on my web page. Unfortunately, there isn't a Wi-Fi signal at the marina where my boat is kept. This is where the SIM900A GSM module comes in handy. The SIM900A GSM module is able to send SMS messages and connect to the internet and send data. In my case, it's sending temperature and humidity data. I'd like the data to be presented in one diagram with two bar graphs. I searched the web for some free libraries that could give me the graphs I wanted. The one I settled on was this one: PHPGraphLib by Elliott Brueggeman. It's a lightweight open source PHP-based graphing library.

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