IoT & Hardware
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You're reading from  BeagleBone Home Automation Blueprints

Product typeBook
Published inFeb 2016
Publisher
ISBN-139781783986026
Edition1st Edition
Tools
BeagleBone
Concepts
Home Automation
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Author (1)
Rodolfo Giometti
Rodolfo Giometti
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Rodolfo Giometti

Rodolfo Giometti is an engineer, IT specialist, GNU/Linux expert and software libre evangelist. He is the author of the books BeagleBone Essentials, BeagleBone Home Automation Blueprints and GNU/Linux Rapid Embedded Programming by Packt Publishing and maintainer of the LinuxPPS projects. He still actively contributes to the Linux source code with several patches and new device drivers for industrial applications devices. During his 20+ years of experience, he has worked on the x86, ARM, MIPS, and PowerPC-based platforms. Now, he is the co-chief at HCE Engineering S.r.l., where he designs new hardware and software systems for the quick prototyping in industry environment, control automation, and remote monitoring.
Read more about Rodolfo Giometti

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Setting up the hardware

About the hardware, there are at least two major issues to be pointed out:

  • Power supply: We have two different voltages to use due to the fact the water pump, the lamp, and the cooler are 12V powered, while the other devices are 5V/3.3V powered. So, we have to use a dual output power source (or two different power sources) to power up our prototype.

  • Interface: The second issue is about using a proper interface circuitry between the 12V world and the 5V one in such a way that it doesn't damage the BeagleBone Black or other devices. Let me point out that a single GPIO of the BeagleBone Black can manage a voltage of 3.3V, so we need a proper circuitry to manage a 12V device.

Setting up the 12V devices

As just stated, these devices need special attention and a dedicated 12V power line which, of course, cannot be the one we wish to use to supply the BeagleBone Black. On my prototype, I used a 12V power supplier that can supply a current till 1A. These characteristics should...

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BeagleBone Home Automation Blueprints
Published in: Feb 2016Publisher: ISBN-13: 9781783986026
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Rodolfo Giometti

Rodolfo Giometti is an engineer, IT specialist, GNU/Linux expert and software libre evangelist. He is the author of the books BeagleBone Essentials, BeagleBone Home Automation Blueprints and GNU/Linux Rapid Embedded Programming by Packt Publishing and maintainer of the LinuxPPS projects. He still actively contributes to the Linux source code with several patches and new device drivers for industrial applications devices. During his 20+ years of experience, he has worked on the x86, ARM, MIPS, and PowerPC-based platforms. Now, he is the co-chief at HCE Engineering S.r.l., where he designs new hardware and software systems for the quick prototyping in industry environment, control automation, and remote monitoring.
Read more about Rodolfo Giometti

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