supports switches, lightbulbs (dimmers and rgb/colored lights),
homematic window blinds, max and homematic thermostats, homematic
door&window sensors, PRESENCE and sonos (including volume)
the shim is bidirectional and uses longpoll to push fhem events
back to homekit. fhem events are cached so homekit querys for known
values will not cause a roundtrip to fhem
more:
http://forum.fhem.de/index.php/topic,32652.msg314166.html#msg314166
