Electronics
12th August 2015 | By:

Driving an RGB LED

The use of RGB Light Emitting Diodes (LEDs) is very widespread. From the pixels that we see on advertising boards to indoor lighting that changes hue, they are being used more and more due to their power efficiency, long lifetime,… Continue

Fun Zone
27th July 2015 | By:

Agar.io Tips & Tricks

Since its launch on April 2015, Agar.io saw tremendous adoption. If you have tried it already, you can surely understand why – it’s very simple, competitive, addictive, and above all, it’s incredibly easy/quick to start playing: you just visit the… Continue

Engineering
18th June 2015 | By:

3D Printers [Part 2 – Unpacking]

Having covered some considerations in purchasing a 3D printer in the previous post, as well as what factors led us to opt for the Zortrax M200, this post will cover the unpacking of the printer and our initial experience with… Continue

Engineering
6th June 2015 | By:

3D Printers [PART 1 – Selecting a Printer]

The advance of 3D printing has not only opened doors in manufacturing, making previously "impossible" designs now possible, but it has revolutionised prototyping. Designers can now quickly and easily bring their CAD designs to life, allowing them to test mechanisms,… Continue

Electronics
28th January 2015 | By:

The Joule Thief

The joule thief is a fascinating circuit with the ability to “steal” every little bit of charge left in a battery and power a device which would otherwise consider the battery to be dead. Many applications cut off when the… Continue

Engineering
24th December 2014 | By:

Analogue to Digital Conversion [PART 2 – Sampling]

Having covered both analogue and digital signals in the previous section, the necessity of converting from one type to the other becomes evident. Digital signals are much easier to work with and process (especially from an electronic design standpoint) and… Continue

Engineering
3rd December 2014 | By:

Analogue to Digital Conversion [PART 3 – Aliasing]

Aliasing is a phenomenon that occurs when sampling analogue signals with high frequency components. When sampling at a frequency lower than the Nyquist frequency, signals may be incorrectly detected at a lower frequency, leading to inaccurate results. Careful design and… Continue