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Internet of Things with ESP8266

You're reading from   Internet of Things with ESP8266 Build amazing Internet of Things projects using the ESP8266 Wi-Fi chip

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781786468024
Length 226 pages
Edition 1st Edition
Tools
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Author (1):
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Marco Schwartz Marco Schwartz
Author Profile Icon Marco Schwartz
Marco Schwartz
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Table of Contents (15) Chapters Close

Preface 1. Getting Started with the ESP8266 2. First Projects with the ESP8266 FREE CHAPTER 3. Cloud Data Logging with the ESP8266 4. Control Devices from Anywhere 5. Interacting With Web Services 6. Machine-to-Machine Communications 7. Sending Notifications from the ESP8266 8. Controlling a Door Lock from the Cloud 9. Building a Physical Bitcoin Ticker 10. Wireless Gardening with the ESP8266 11. Cloud-Based Home Automation System 12. Cloud-Controlled ESP8266 Robot 13. Building Your Own Cloud Platform to Control ESP8266 Devices Index

Online Bitcoin services


Before starting with online Bitcoin services, we need to know how to actually get the current price (in US dollars) of Bitcoin.

On the Web, it's quite easy to get the price or the historical value of Bitcoin. For example, a good website to look at is Coindesk:

http://www.coindesk.com/price/

On this website, you have access to the current price of Bitcoin, and also nice graphs showing the historical value of Bitcoin:

That's nice, but it is only accessible via the website and it's too complicated anyway for our little ESP8266 board.

A better solution is simply to have what is called a Bitcoin ticker that just displays the real-time value of Bitcoin. A good example of such a ticker can be found at the following URL:

http://preev.com/btc/usd

You will see the current value of Bitcoin, which you can display in multiple currencies:

That's what we want to build for our project: a simple Bitcoin ticker that displays the current value of Bitcoin in USD.

However, we can't access...

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