OYASAI.com has gateway function with Json method.
You can modify your data from sensor on your Web site. For example, if you wish to convert temperature unit from C to F, you can calculate with Javascript.
Following link shows past data for 1 hour from now.
Original sensor terminal data is shown below;
Next example is about graph and table. OYASAI.com publish graph image as well as text data. Let's see the example. This example uses manual entry data.(not automatic entry data)
Test3 table shows selected data (above 28C only) and all data table.
Graph(using same data) is shown below;
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