Mathieu Stephan is an electronics engineer who’s actively involved in the open source movement. He specializes in designing products from scratch and alternate between full-time positions and contracting jobs in very different sectors – from quantum physics to formula E cars. He's been a writer for Hackaday, has a [personal blog full of projects](http://www.limpkin.fr/) and a small [shop on Tindie](https://www.tindie.com/stores/stephanelec/).
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