In a previous post, I told you the steps to stream from the Pi to a VNC player on your phone or browser. That method no longer works for Chrome because Google have decided that the VNC plugin isn’t secure enough. Justin…
Category: Programming
Night-time website monitoring with a Raspberry Pi
Matthew Mombrea had a problem. He provides hosting and runs his own servers and needs monitoring tools to let him know when they go down. Of particular concern was being notified at night without his wife being woken up. So,…
GUI for controlling NeoPixels on the Raspberry Pi
Stewart Watkiss, over at PenguinTutor.com has written some code in Python using the Tkinter library that produces a GUI for controlling NeoPixels with the MyPiFi NeoPixel controller board. The GUI has nice big buttons (so it’s good for touchscreen set-ups) and…
IoT Python app with a Raspberry Pi and Bluemix
Jeff Sloyer previously wrote a tutorial on creating a basic Flask app on the Pi. He has now expanded on this and written a new tutorial in which he creates an Internet of Things app using Python and an IBM…
Prototype Swingometer powered by a Raspberry Pi
Pete Taylor, over at Kimondo.com, has written up his project to create an old-fashioned Swingometer. The Swingometer at the moment does not track the General Election results (on account of us not having had the election yet!) but instead “scrapes” a…
Clusters and parallel programming with MPI and Raspberry Pi
Fabio Nelli has written an excellent tutorial on creating a cluster of Raspberry Pis (just two to start with) and using them to do some parallel programming. He uses the MPI library in Python to set-up communication between the two Pis. It’s…
Remote control Raspberry Pi GPIO with messaging queues
Messaging queues are all the rage nowadays, what with being the backbone for a lot of Internet of Things projects and concepts. In his blog post, Brian Hines explains how to use a library he wrote called pi-control-service together with RabbitMQ to…
Sinclair Spectrums join together with Raspberry Pi to solve 33-year old programming problem
When the ZX Spectrum was launched in 1982, chapter 19 contained a programming problem: use the BEEP command to play Mahler’s first symphony funeral march. Well, some programmers from Oxford’s Museum of the History of Science, led by Matt Westcott, have…
Install Lazarus Pascal on a Raspberry Pi
Lazarus Pascal is a free Delphi look-a-like and compatible Pascal development environment based on FPC (Free Pascal Compiler). Hans Luijten from Tweaking4All.com has written a comprehensive tutorial on installing Lazarus on the Pi 2. He also includes instructions for installing it on other Raspberry…
Raspberry Pi “action camera” inside a 3D case
Connor Yamada has done a nice write-up of his project to create an ‘action camera’ with his Raspberry Pi and Camera Module. The results are mixed, to say the least, but it does show what is possible with a bit…