April 2017
Intermediate to advanced
268 pages
5h 36m
English
Content preview from ESP8266 Internet of Things CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Retrieving your online data
The ESP8266 can be used to retrieve data from online servers so long as it is connected to the Internet. To demonstrate how to do that, we will use our ESP8266 module to retrieve the most recent sensor data that was posted to dweet.io, in our previous recipe. This will give you an idea of how to go about retrieving data from online sources.
Getting ready
For this recipe, you will only need your ESP8266 board and a USB cable. You can also leave your setup as it was in the second recipe in this chapter, although we won't need to read sensor input this time round.
How to do it…
Reading the most recent data from dweet.io is just as simple as posting it. All you've got to do is send an http request using the following URL: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.