FHEM (TM) shine GPL'd perl uwar garken don sarrafa gida. Ana amfani da shi don sarrafa wasu ayyuka na gama gari a cikin gida kamar sauya fitilu / rufewa / dumama / da sauransu da kuma shiga abubuwan da suka faru kamar zafin jiki / zafi / yawan wutar lantarki. Shirin yana gudana azaman uwar garken, zaku iya sarrafa shi ta hanyar yanar gizo ko wayoyin zamani, telnet ko TCP/IP kai tsaye. Don amfani da FHEM za ku buƙaci uwar garken 24/7 (NAS, RPi, PC, MacMini, da dai sauransu) tare da mai fassarar perl da wasu kayan aikin da aka haɗe kamar CUL-, EnOcean-, Z-Wave-USB-Stick, da dai sauransu don samun dama ga masu wasan kwaikwayo da na'urori masu auna firikwensin. Ana furta shi ba tare da h ba, kamar a cikin mata.