Repairing a Roland Digital Piano

I’ve wanted a digital piano for some time now, and I still occasionally glance over the ‘spares and repairs’ category on eBay in hopes of a cheap deal. Finally, I found one: The Problem According to the previous owner, when...

Installing Arch Linux on a Samsung Ativ Book 8 (NP880Z5E)

I recently purchased a new Samsung Ativ book 8 from BestBuy. Here I’ll document a few tips and tricks I found when installing both Ubuntu and Arch on my new laptop. espite using Arch Linux for the past few years,...

Spirit Circuits ‘Go Naked’ PCB Prototype Review

I recently used the free ‘Go Naked’ service from Spirit Circuits to produce a prototype PCB used in a sous-vide controller. Overall I was extremely satisfied with the service, although I couldn’t quite believe it was actually free to begin...

Sous-Vide Controller Part 2 – Building and Testing

I previously wrote about designing a temperature controller for sous-vide cooking. Here I will go through the process of building and testing the controller. To produce the PCB I used a free service from Spirit Circuits in the UK. They...

Sous-Vide Controller Part 1 – Design

Sous-vide cooking involves sealing food inside a bag (generally in a vacuum) and immersing the bag in a water bath at a carefully controlled temperature. Generally the water bath is kept at a fairly low temeperature – around 60 °C....