Hardware Reference
In-Depth Information
If it doesn't work at this point, there are many things you can check. First, make sure again
that the code for the previous sections is working and that the Arduino Ethernet shield is
correctly sending data to the server. Also, check that all the code files are located inside
the same folder on the web server. And make sure that you are accessing plot.html via
the localhost URL in your browser.
Then, open the JavaScript console to check that everything is fine. You will usually find
the console in the developer tools of your web browser. For example, in Chrome, you will
find the console in the View | Developer menu:
Inside this console, you will be able to see whether there are any errors in the JavaScript
code on the page, and this will usually give you a good idea of what is going on in the
page and what you have to fix.
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