This is a Debian-based (Debian Jessie) distro for Raspberry Pi for Arduino Prototyping.
It's developed for Raspberry Pi 3 Model B and Arduino Uno.
Its window manager is dwm, but you must type "startx" to use it.
We use it with ssh and X11 Forwarding for the GUI apps as Sketch, s4a, etc...
It starts in DHCP mode, you can find it with nmap or other software like this.
Username: urbanlabs
Password: urbanlabs
Root Password: urbanlabsroot
This is an alpha version, bug reports...