How to access a database from an App

In the previous post, Writing an Android application – investigating Xamarin Forms, I looked at how to get a basic Android application running on my phone. Most applications’ purpose are to represent data to the user in some way and in most cases this data is stored in a database. This […]

Where is the centre of gravity of a self-balancing robot?

This is part of a series of posts covering the development of a self-balancing robot: Modelling an inverted pendulum Building a self-balancing robot This post The mathematical model of an inverter pendulum previously developed for the self-balancing robot, needs three parameters to accurately represent reality. These are Weight of the […]

How to contruct a self-balancing robot

This is part of a series of posts covering the development of a self-balancing robot: Modelling an inverted pendulum This post Dertermining the centre of gravity for a self-balancing robot   Previously we investigated how to model an inverted pendulum. It is now time to go ahead and build the […]

Creating an E-ink weather notification board

I love e-ink displays. Their ability to make something digital seem just a little bit analogue intrigues me and I just had to make anything that makes use of one. Like many, many other people on the internet that turned out to be a weather station. The initial aim, seeing […]

RetroPie Arcade Part 3 – The enclosure

Part 1 and part 2 of this build can be found in links. The size of the enclosure, and the whole system, was completely dictated by the size of the screen I decided to use. The initial idea was to buy cheap portable game systems from eBay, remove whatever was […]