Things I like / Things I made

Things I like

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Things I made

I can’t link to all the things I’ve made, because lots of them are internal to or the intellectual property of the company that employed me at the time. Here are some highlights I can share.


Slow Tetris

Fridge-based falling bricks that take a couple of days to drop the height of the screen. An experiment on a Raspberry Pi 2040 with wifi and e-Paper display.

Blog post


Sarah Kowenicki Art

A skill-swap with my friend Sammie. I built a website to showcase her wonderful paintings, and we got a painting of one of our favourite places to hang in our house! I’m always up for projects like this. Sammie does commissions.

Blog post


/dev/esc - an escape room for dev teams

Designed for 2-8 players, your team will need to code, puzzle and hack its way out of this hobby project of mine.

Completely online and fully remote (covid safe!), I hope this grows into a way that developer teams spend some nice time together. I’ll be happy if all it offers is something a bit different from gaming or beers.

Blog post | More info


Tickbeat - a novel monitoring system

This side project takes a novel approach to keeping things working. It grew out of an idea I blogged in 2012 and has been used by a few companies as a prototype. I’m quite proud of live-updating visualisations, dynamic “beats” that drop if they’re not regularly ticked, and the possibilities that emerge from hierarchically arranging monitoring systems.

Estigator - estimates with teeth

Making estimates as a software developer is fraught with risk, and can be a source of stress and tension between devs and non-devs. I built this hobby project as a way of learning React (it’s entirely front-end). Thinking of estimates as distributions is helpful, it’s fun to play with the numbers and see the effect on the charts, and the maths is also interesting.

Hacker news thread


Animated model pharmacy sign

Pretentiously entitled “Souvenirs des villes européennes”, this is a micropython-powered hobby project with flashing modes and a dollop of nostalgia.

Blog post


Tohora

Built on the IoT platform called balena, tohora is a golang webserver to manage a Webkit embedded subprocess. Translated out of geek speak, that means a little program to help you show web pages on screens connected to the internet by tiny computers like Raspberry Pis.

Blog post


A home automation system

Like all web geeks I have run node.js on a Raspberry Pi in my house. I got into xbee mesh networking and open-sourced a library, which has grown into a little project of its own (under the auspices of other people).

More info


My brain, 3D printed

Based on an MRI scan. Not life size!

See inside my head | Blog post


Shakespeare in a database

Practise your SQL on something more interesting than employee and customer data.

Try it | Blog post


How many seconds

Have you missed your gigasecond? I was born to the sound of a clock striking. I was able to anticipate when I would pass the age of 109 (one billion) seconds, and I duly marked the occasion.

Blog post


A bat detector

Following an eye-opening punting bat safari with Scudamore’s in Cambridge, and as a way of indulging my electronics habit, I made myself a bat detector.

I bought the kit from zwergfledermaus.de.


A knitted octopus

A labour of love for my god-daughter, this little fella made rather a tricky “my first knitting project”.

Pattern from Ravelry


A unique running race

How do you (reasonably fairly) handicap a race without information about the competitors’ abilities?

Blog post


Raspi children's bedroom lights

A parent’s dream: the room lights go dim and the “moon” comes out for story time. “Space lady” lights up the night in technicolour patterns. In the morning, daylight coloured light silently starts the day.

More info


Yellows

My first web project: covered by TV and national newspapers, it featured marquee text, animated GIFs (the first time around). Resurrected in 2014 to celebrate a strong run in the FA Cup.

See the site | More info


01 Jan 0001

Yellows - The Warrington Town Homepage

Warrington Town were one of the first teams in North West Counties League to have a web presence. The site I designed, co-wrote and ran in the mid/late-90’s to early 00’s earned recognition as a Daily Telegraph Site of the Day, was featured on TV and won numerous awards for lower-league football websites. Sadly, it no longer exists. I resurrected it to celebrate a strong cup run in 2014.

Full post


01 Jan 0001

node.js xbee home automation

One day, I’ll get round to writing this up in more detail. Frustrated at the lack of integration between existing products, I built my own home automation system. It runs on a Raspberry Pi, using event-driven javascript (node.js) and wireless mesh networking (xbee) to link various bits of my house together, and connect them to the outside world. I can, from any browser: switch the outdoor lights on and off detect doors opening and closing switch my burglar alarm on and off (it saves pictures of intruders, and texts me when they enter) turn radios on and off, play notifications turn the central heating up/down/on/off read the temperature at various points monitor the noise and motion levels in my kitchen (plus webcam) flashing lights on my kitchen clock (pictured) tell me what’s going on, as well as the website The system can log things like the doors opening or the power use/temperature into a database.

Full post


01 Jan 0001

nitelite

Nitelite a.k.a. “space lady” is a parent’s dream. The lights go dim and the “moon” comes out for story time, just before bed. A colour-changing mobile hangs in the room. When it’s time for lights out, it’s automatic, and the mobile drops to a dim red. In the morning, daylight colour silently comes on to signal the arrival of a new day. Made using: Philips Hue lightbulbs and their API Raspberry Pi A bit of javascript, HTML and python, all free & open-source: https://github.

Full post


01 Jan 0001

Developer Team Building

If you’re looking for a team building activity for developers, you should consider /dev/esc - the online escape room for developer teams. /dev/esc is a new remote team building idea. It works in person too. Challenge your team of software engineers to solve programming puzzles and obtain the clues they need to escape. Designed for 1-8 players (it supports up to 12), it is an ideal and enjoyable way to build team cohesion, socialise and geek out.

Full post