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RasPi MagazineRasPi Magazine

RasPi Magazine No. 45

From the team behind Linux User & Developer magazine, RasPi is the essential guide to getting the most out of the Raspberry Pi credit-card sized computer. Packed with expert tutorials on how to design, build and code with the Raspberry Pi, this digital magazine will educate and inspire a new generation of coders and makers. What you’ll find in every issue: • Get hands-on with your Raspberry Pi – we show you the best way to code, build and create with this awesome educational computer. • Awesome RasPi projects in each issue – get inspired to create something amazing with projects big and small. • Our easy to follow step-by-step tutorials and designed for all abilities and age groups. • Need to know more about anything Raspberry Pi? You can chat with the team and get your questions answered.

Land:
United Kingdom
Sprache:
English
Verlag:
Future Publishing Ltd
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IN DIESER AUSGABE

access_time1 Min.
welcome

Another issue and another chance to demonstrate the powerful versatility of the Raspberry Pi. This month we show you how to create a network for Raspberry Pis all connected to a central server, using a great tool called Piserver. We also demonstrate an elegant home-automation interface devised and built by a Pi enthusiast in San Francisco and reveal an ingenious way of finding and tracking phones using a Raspberry Pi 3. Other highlights include accessing the Tor network and managing huge amounts of data using a full Relational DataBase Management System. Is there anything they can’t do? Editor Get inspired Discover the RasPi community’s best projects Expert advice Got a question? Get in touch and we’ll give you a hand Easy-to-follow guides Learn to make and code gadgets with Raspberry Pi From the makers of LinuxUser & Developer Join…

access_time6 Min.
create a raspberry pi network with piserver tool

The good people of the Raspberry Pi Foundation have outdone themselves once again with the release of PiServer, a tool which enables you to easily set up PXE (Pixie) network booting. In plain English, this means you can set up a network of Raspberry Pis, each of which are connected to a single server. The Pis can boot over the network without any need for microSD cards and you, as the server admin, can control user accounts and accessible files. The fact that every Pi, as a network ‘client’, uses the same accessible files makes PiServer perfect for classroom environments or workplaces where you may want to use Raspberry Pis for specific purposes such as teaching or operating machinery. You can create as many users as you need during setup. These users…

access_time5 Min.
open source smart home touchscreen

This project is an elegant solution to a tricky problem with the affordable but useful 7-inch Raspberry Pi touchscreen. Peter Monaco’s mission was to create a touchscreen that sat flush to a wall as an interface for home automation without any ugly dangling wires and, as you can see, it has worked beautifully. Your bezel frame came out really well. You’re obviously experienced with 3D printing – what printer do you use and do you have any advice for others wanting to replicate your project? I’ve been 3D printing for a little over two years. I have a FlashForge Creator Pro, and use SketchUp for all my design work. I enjoy designing little household items that make life more efficient, like clips to hold the Christmas lights to the banister, a caddy…

access_time3 Min.
turn your pi into a tor proxy with onion pi

In this age of ubiquitous surveillance it’s harder than ever to stop hackers, advertisers and shadowy government organisations from snooping on your browsing habits. However if you choose to connect through Tor, your connection is encrypted and passed through a number of proxies through a process known as ‘onion routing’. While this does slow down your connection, it also increases your privacy, making it extremely difficult to trace your actual current location. Follow the steps in this tutorial to turn your Pi into a wireless AP (Access Point) named Onion_Pi. Any devices connecting to Onion_Pi will do so over the Tor network. When you’re done, use a service like www.whatismyip.com to see that your location has changed. For more information about Tor visit http://www.torproject.org/about/overview.html.en. 01 Connect to Pi and check wireless is detected Attach your…

access_time8 Min.
use your raspberry pi to find and track your phone

The Raspberry Pi model 3 saw the introduction of embedded Wi-Fi and Bluetooth capabilities. This now makes it even easier to interact with Bluetooth-enabled devices such as mobile phones, tablets and speakers. The Python programming language supports a range of libraries that enable you to interact, monitor and control various elements of a Bluetooth device. This tutorial combines the Pi’s Bluetooth hardware with Python code to create three simple but useful programs. First, build a short program to search for Bluetooth-enabled devices and return the 12-part address of each device. Once you have obtained the addresses, you can then scan and find Bluetooth services that are available on that particular device. Finally, use the Bluetooth address and some conditions to check which devices are present in a building and in…

access_time5 Min.
using your rdbms with python

Last issue, we looked at how to use SQLite to use data without needing a full RDBMS (Relational DataBase Management System). This is fine when you have a limited amount of data, but at some point you’ll need the extra performance. Options such as MySQL or Postgresql are available that focus on providing your data as efficiently as possible. We won’t be looking at how to set up or manage the database; instead, we’ll assume that there is already an existing database and focus on how to use it with Python. Also, we’ll be using MySQL as the example RDBMS; the concepts are very similar from one database to another with only the syntax changing much. To install the Python module for Debian-based distributions, such as Raspbian, use sudo apt-get…

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