ernst.haefliger6 years ago000Does a power supply unit have to be attached to the 5V connection or does the system also work without it?Show in original language (German)ricowenk534 years ago000. and despite everything, my Yoke does not receive any power (clock does not light up) and accordingly cannot be installed. What can I do?Show in original language (German)CommentAnonymous6 years ago000The system works without a mains connection, the USB connection is sufficient. A power supply unit is not supplied at all.Show in original language (German)Comment1 comment