Hardware Reference
In-Depth Information
Chapter 6. Logging Data in Google Docs
In this chapter, we are going to continue building Internet of Things applications using the
Arduino Ethernet shield. This time, we are going to use the web service Temboo, to build
some useful and interesting applications. Temboo is different from Xively, which we used
in the previous chapter. It is not a cloud platform in itself, but it can be used to interface our
Arduino projects with several other applications and services. You can see Temboo as a
bridge between your Ethernet shield and a wide range of web services, such as e-mail ser-
vices, text messaging services, or storage services.
For example, in this chapter, we are going see how to interface your Arduino project to
your Google Account via Temboo. We will use this functionality to automatically log
measurements inside a Google Docs spreadsheet.
The advantage of this solution is that you can access your Google Docs spreadsheet from
anywhere, thus monitoring your data from anywhere in the world while your Ethernet
shield is sending data from home. We are also going to send automated e-mail alerts using
Gmail based on the measured data.
The following will be the major takeaways of this chapter:
• First, we are going to configure the hardware part of this project using the Ethernet
shield and the DHT11 sensor. We are also going to download and install the re-
quired libraries for the project, including the Temboo Arduino library.
• Then, we will set up the different accounts that we need for this chapter. First, we
will set up your Google Account and create a spreadsheet where the data will be
logged. We are also going to set up a Temboo account and configure it to use the
Arduino Ethernet shield.
• Once all the accounts are set, we are going to build the first application of this pro-
ject—automatic log measured data in a Google Docs spreadsheet. You will be able
to see the measured data recorded live in the spreadsheet and the data being plotted
automatically in real time.
• Finally, we are going to set up our Arduino system to automatically send e-mails
when a given measurement exceeds a threshold.
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