Hi,   I want to add a precense state for all family members. I don’t want to use GPS because it (eat) drains the battery. I have read a lot on this forum about changing a variable if the phone of person A is connected to the home wifi. On this forum there are already a lot of ideas to get it working, but a lot of these topics are old.   Who can tell and help me to achive this? What do I want; Fibaro to show who is home and who not. But all based on the precense of t