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BeagleBone Home Automation Blueprints by Rodolfo Giometti

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Chapter 1. Dangerous Gas Sensors

In this chapter, we will learn how to use the BeagleBone Black to monitor some dangerous gases in a room, such as CO, methane, LPG, and so on, and then enabling an acoustic and visive alarm in case of danger. Also, by using a GSM module, the user will be able to send an SMS message to a predefined phone number to alert, for instance, a relative.

Also, the user will be able to control, log, and display the measured concentrations from the system console/terminal by using a command-line interface (this to keep the code simple).

We'll see how to build the circuitry to manage the sensors and how to get the gas concentration from them. Then, we'll take a look at how to manage a GSM module in order to send SMS messages. ...

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