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Electricity
01 Jan 2015Circuits Electricity is a type of energy source that can be used to power a huge range of useful devices. We can get electric energy from a variety of sources - Power stations that burn fossil fuels or use water and theogermal energy, solar panels, batteries that use chemical energy,...
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Making a digital switch
01 Jan 2015You may well have used some (or all) of the methods above to control your scratch projects in the past. One of the cool things that we can do with an Arduino that we can’t do in Scratch is use the Arduino’s pins as inputs. Here is a diagram showing...
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Broadcasts in S4A
01 Jan 2015So, last week we wrote some programs to send messages in morse code by blinking an LED. Unfortunately our little light sniffing companion didn’t work as well as we’d hoped. We didn’t have time to test him with enough different programs and he missed a lot of what looked to...
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So what is an Arduino anyway?
01 Jan 2015An Arduino is a small programmable computer that we can use to make all kinds of clever interactive gadgets and gizmos. It is not a computer like the laptops we have on our desks, because rather than having only one set of inputs and outputs (the keyboard and mouse, and...