Page 3 of 4 for tjstephens | Stuff I’ve done

Geek is Good Photobooth

Geek is Good Photobooth

I created an interactive display for the Geek is Good exhibition that was/is held in the Oxford Museum of the History of Science from May-September 2014.

Arduino Controlled Soldering Station

Arduino Controlled Sol...

I replaced the faulty controller in my soldering station with an Arduino. The soldering station is a combined iron and hot-air lance and is branded as a Duratool ZD-912. I got ...

RFID Door Lock

I created a door-entry system for Oxhack using RFID smart cards. Oxhack is the Oxford Hackspace. The system is probably a little more complicated than it could be, but this opti...

Light Painting 2

Light Painting 2

This is an extension to my earlier light painting project.

Interactive Plots in Octave

Interactive Plots in O...

Here’s a trick I used to present multi-dimensional data with the Octave mathematical programming language. In my particular application, I had a dataset that varies with respec...

Schlieren Photography

Schlieren Photography

Schlieren imaging is a technique that lets you see small changes in refractive index .

Temperature Logger

Temperature Logger

The temperature and humidity of our house is something that’s been bothering me for a while. We’re very frugal with the heating and I wanted to know how much difference install...

Light Painting

Light Painting

Persistence of vision effects have been a minor interest of mine for several years, and I recently discovered an LED strip for sale containing 60 individually addressable RGB L...

Timer Controlled Cat Flap

Timer Controlled Cat Flap

We like to prevent our cat from going out too late at night , so we tend to close our cat flap when it’s getting dark. When we’re not home before it gets dark, or are busy, some...

Im a Scientist

Im a Scientist

I took part in the June 2012 I’m a Scientist event, which is a Science outreach programme aimed at introducing schoolchildren to science. The event takes the form of an knock-ou...