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MQTT is a networking protocol that uses a 'publish-subscribe' model (where some machines 'publish' data to an endpoint, and others subscribe to that data stream) to share data. It's commonly used to share networked sensor data. We run a MQTT server at the CCI,...

These notes are based on a workshop run by Agnes Cameron, and were developed as part of B Claxton and Eva Sajovic's Hack'n the Knit workshop series. These instructions are based on a tutorial for making two-stage astable oscillators on the website Electronics ...

Image files captured using digital cameras often contain a large amount of information about how and where they were taken, the type of camera that took them, and other information about the image. This is called the 'exif metadata', and it is standard across ...

There are loads of different ways to put your work online, and trying to figure out what will work for you can be quite overwhelming. The good news is, depending on what you are trying to do, most approaches will work! The approach you take will depend on what...

Looking at a range of different ways to deploy and host websites, use custom domain names, and set up servers. Talking about both web technologies, and different approaches to hosting. Wiki page here

Many classes in the CCI will either require or encourage you to use git and github in your work. These can be complex and confusing at first, and how you use them depends a bit on what you need to do. git vs github The first distinction that's normally quite i...

In the CCI we have a large number of pre-configured Raspberry Pi 4 boards for use by students, as well as a range of other boards (some Pi Zeros, a couple of Pi 5s). We often recommend these to students who are pursuing installation / physical computing projec...

For summer 2024, we are alternating workshops between Peckham Road and High Holborn. As ever, if you have questions, send them to Agnes.

Your code is broken but you don’t know why! What gives? The internet won’t help?? What’s a console? A breakpoint?! This session covers the philosophy and practice of debugging, across a range of different languages and tools. We work through a series of practi...