The "Chaosknoten" logo has been created by Wau Holland for the ChaosComputer Club e.V. (http://www.ccc.de). It is now owned by Wau HollandStiftung (http://www.wauland.de/).Wau Holland Stiftung has given BlinkenArea the permission to use the logo forthis electronics kit upon condition the hardware design and the software ispublished under a free license (via email on 2019-05-16).