Hot Hat building in Florence

At the beginning of the month I was lucky enough to be sent to Florence for an intensive workshop in wearable electronics.

It was a brilliant experience in an amazing place with some fantastic people. We were all given a kit at the beginning of the session containing a woolen hat, Arduino lillypad, knitted conductive thread and some tiny components (available at

The idea was that we would build a hat that could communicate with other hats and had three different modes. There was a textile button that was knitted containing conductive threads that only activated when you squeezed them together. We also used the Arduino site to download sketches which we hacked a little bit to make our hats do what we wanted… I was lucky enough to be given some pink LED which look pretty cool when in disco mode! Everyone loves a bit of DISCO!

I am posting some of the photographs that I took to show what we did.

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About L.Calder

I am a designer maker mainly specialising in the field of textiles and design. I use colour changing and responsive dyes combined with simple electronics to create colourful pieces of work that can change depending on environment and programming. I also work with various materials and imagery to communicate concepts and ideas as well as create artefacts that are engaging and visually stimulating.

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