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Reading values from a ThingHTTP page
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September 7, 2015
11:18 pm
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Forum Posts: 1
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September 7, 2015
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I am very new to this, so please forgive my noob question.

I have an ESP8266 connected to a 3.3v FTDI card and a breadboard power supply and everything seems to work great. I can talk to the card using a Termite serial terminal and I can connect it to my router and attach to ThingSpeak using:


So far so good.

I have also created a very simple web page using ThingHTTP here:

All I want to do now is read the 3 values listed on the web page. Once I get the data I can write all the parsing algorithm stuff no worries, but for the life of me I can't work out the AT string I need to send the ESP8266 to make the web page return any useful information.

Any guidance would be much apprectiated. Thanks!

September 9, 2015
10:03 am

Forum Posts: 4
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January 19, 2011
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It is possible to scrape the data from the website using the MATLAB Analysis app and the MATLAB function 'urlfilter'.

There are also two example templates which show how to use 'urlfilter' in the MATLAB Analysis app:
- Scrape web data for ships at the Boston port
- Scrape web temperature data

Based on those examples, the following MATLAB code will get the 3 data values on the page:
values = urlfilter('', 'bold;"> ', 3)

More information about how to use 'urlfilter' is available in the documentation:

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