Sensorbau für Arduino hackAIR is an EU-funded project aiming to develop an open technology platform for citizen observatories on air quality. It is supported through the EU programme on “Collective Awareness Platforms for Sustainability and Social Innovation” until December 2018. * Arduino https://hackair-project.github.io/hackAir-Arduino/wemos/ * Wifi https://hackair-project.github.io/hackAir-Arduino/wifi/ * Wo können die Teile gekauft werden? https://hackair-project.github.io/hackAir-Arduino/wifi/where-to-buy/