beanz Magazine

Raspberry Pi Projects

Daphne's Catflap

There are maybe a bazillion Raspberry Pi projects online. Here are really fun projects plus links to find more.

The Raspberry Pi is a low-cost single board computer anyone can use to learn about computer hardware and software. These hand sized boards have been shot into space and used in many different ways, from weather stations to kiosk displays, Tor and media servers, health care, and more. While small, they have the power and versatility of larger computers.

These pages describe fun Pi projects. They might inspire you to play with your Pi or get a new one. Beginners should start with the Foundation site at Links are at the bottom of this article.

Daphne’s Tweeting Catflap

How many doors have you walked through today? Can you remember every single door? Imagine how doors feel, with people and animals passing them by daily. Imagine if a door could speak and tell us about the pains of being ignored. Well, thanks to a Raspberry Pi, a webcam, some code, and Twitter, a catflap (what Americans call a cat door or dog door) tweets every time Daphne the resident cat uses the catflap. It’s silly, of course, but also an excellent reason to play with a Pi and learn a little bit about coding and the Internet of Things (a fancy phrase to describe otherwise mute objects hooked up to computers).

Electric Skateboard with a Raspberry Pi

Perhaps the neatest part of this project is the use of a Wii remote to control the speed. The board will go as fast as 30 kilometers per hour (18.6411 miles per hour) and has a range of 10 km (6.21317 miles). The kit he pulled together includes a board, two metal boxes, a speed controller and brushless motor, a Pi Zero, and a Wiimote. You also should get a helmet. The article also includes a link to the 100 lines of code needed to control the motor with the Pi and Wiimote. Aside from possible crash risk, overall a good hands on project. Tour of Cambridge not included.


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Also In The December 2016 Issue

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