Electronics
3rd May 2017 | By:

Motorised Blinds

Although sunshine is considered to be a relatively rare commodity in London, and is almost always welcomed, it has also been the source of a long-standing frustration. Being a light sleeper, I have often struggled with the amount of light… Continue

Engineering
24th December 2015 | By:

Strain Gauges [PART 2 – The Sensor]

The first part of this series covered the definition of strain, and provided a very basic description of the deformation that a member goes through under uniaxial tension/compression. This post will focus on how strain measurements can be taken exactly… Continue

Electronics
19th December 2015 | By:

Step Up (Boost) DC-DC Converters

A common requirement for many applications is the ability to convert the input power. Usually, a device will have a single power input which could be from a battery, directly from mains, or perhaps it will accept a specific voltage… Continue

Electronics
13th December 2015 | By:

Analogue to Digital Conversion [PART 6 – AVR]

Having briefly covered the general theory behind Analogue to Digital Conversion (see Signals, Sampling, Aliasing, Resolution, Accuracy), we will now look at an actual implementation. In this particular case we will be using an embedded Microprocessor Unit (MCU), specifically the… Continue

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

Electronics
15th June 2015 | By:

How to Build a Binary Clock [PART 1]

Electronics have always been very interesting for me, but I’ve never had a lot of opportunities and tools to try it. Now, as our office has become more of an electronics lab, I can start to get closer to the electronic part… 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