Arduino-based Emoticon Helmet

And now for something completely different…  a helmet that can display twelve emoticons using 22 LEDs, an Arduino and associated circuitry. The display is changed using a hand-controller wired to the helmet, and the LEDs are controlled using some simple multiplexing. You can see the helmet in action below:


If you are building your own Emoticon Helmet, be sure to realise that the structural integrity of the helmet will be reduced by cutting into it. In other words, don’t use it as a crash helmet! However it looks like fun so to get started – see the instructions, code and schematic here. Although a normal-size Arduino was used in the helmet, space can be saved by using our Freetronics LeoStick – the Arduino-compatible with onboard USB, RGB LED and piezo (for matching sound effects):


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