24th December 2015 | By:

Strain Gauges [PART 3 – Wheatstone Bridge]

Having covered strain gauges and how they work (see Part 2), it is worth exploring how they are used and how we can get a useful signal from them to represent the strain that a member is undergoing. As discussed in Part 2[link], the property that varies in the strain gauge, as a result of… Continue

Think Tank
23rd December 2015 | By:

Why do kettles make so much noise?

The electric kettle is one of the most frequently used appliances – at least here in the UK – and yet few people ever question where the sound comes from when we put some water to boil. Sure, when the water is boiling already we hear the familiar smooth sound of bubbles popping, but what… Continue

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 or a range of voltages from a Power Supply Unit (PSU). Depending on the complexity… Continue