BusyTime
BusyTime is a light displaying your busy status according to your selected Google Calendar. It plugs into a USB-C for power and produces a light to indicate when the calendar indicates it is busy.
Setup requires a PC with USB connection to the USB-C port on the device. Operation after setup only requires USB-C power.
Free Busy time is coming up Busy (and another Busy is coming up) Busy All day Error No upcoming busy times or outside of checking times