IoT Zürich Meetup, @iotzh on Twitter, represented at Maker Faire Rome 2014 by @dr_m_kroll, @mringwal, @stuij and @tamberg.

Design files on Thingiverse, pictures and video on Flickr, assembly instructions on Instructables.

Design files on Thingiverse.

Blog post on Tumblr, source code on Bitbucket, pictures on Flickr.

Bluetooth 4.0 open source hardware by BlueKitchen and MiKro-Labs.

Building instructions on Instructables.

Building instructions on Instructables.

@stuij's Raspberry Pi based night vision goggles. Work in progress.

Building instructions on Instructables.