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Data Collection TutorialsMonitoring the real world using computers.
With some low cost hardware and free software you can collect data from almost anything.
RS232Programmable RS232 Tutorial
This tutorial covers applications were the equipment being monitored has a programmable RS232 port. By programming the RS232 port to output XML encoded data we can easily monitor bit and number data over time.
HTTPWeb Page Monitoring Tutorial
Often data you want to monitor is available via http. The web page needs to be automatically requested and the data parsed out. This tutorial applies this technique to monitoring traffic flowing through a firewall.