Learn to program, control robots or just stream music using this tiny computer.
The Raspberry Pi Model B+ is, like previous models, a tiny computer built for hobbyists, students and anyone who wants to learn more about how computers and computer programs work.
Comparing to its predecessor – the model B , the B+ has a microSD slot (instead of a full-size SD version) and a combined audio/video port (instead of separate stereo sound and composite video connectors). These changes were necessary to make room for its 40-pin GPIO (General Purpose Input/Output) connector that’s designed to connect and control other devices. You can still connect equipment designed for the B’s 26-pin connector, but the extra pins let you hook up even more sensors, lights and motors. It also has four (up from two) USB ports.
To get up and running, you’ll need a monitor connected via HDMI, a mouse and keyboard, a microUSB charger for power, and an 8GB microSD card for your operating system. It’s also recommended, but not essential, that you connect the Pi to the internet using either its Ethernet port or a USB Wi-Fi adapter. If you want a shortcut, you can buy a starter kit that includes the NOOBS installer on a microSD card and a case.
The NOOBS installer – which you should download free from www.snipca.com/13740 and copy to your microSD card before turning on your Pi for the first time – helps you choose and install your operating system. The recommended option is Raspbian Linux, a version of the popular Debian distribution, from which Ubuntu is also derived.
Raspbian includes the popular Python programming language and a development program called IDLE. There’s a wealth of free information online to help you learn the language, but if you’re not a would-be programmer you can still take advantage of software from other developers. Loads of programs, sensors and hardware kits are available for the Pi, so if you want a DIY weekend project then there are plenty to choose from. You can use your Pi as the basis for almost anything, from a smart watering system for your garden that uses soil-moisture sensors and an irrigation control kit to a time-lapse camera and a miniature robotic boat.
If you use NOOBS to install the XBMC media-centre operating system and connect the Pi to your TV, you can use it to stream video and music across your network. If you use the Raspbian operating system then you can install standard Linux programs and use your Pi to browse the web, run office programs and complete other basic tasks.
The Raspberry Pi B+ is a great little computer that’s more flexible than ever. While its new features seem minor, it’s now even better suited for lots of projects.
VERDICT: The Raspberry Pi B+ requires a few extras to get it going, but it’s cheap, versatile and inspiring
SPECIFICATIONS
700 MHz ARM1176JZ-F processor • 512MB memory • MicroSD slot • dual-core VideoCore IV integrated graphics chip • 1x 10/100Mbps Ethernet port • 56x85mm (WxD)