Warum lohnt es sich, eine Elektroinstallation selbst zu planen und zu installieren? Man spart Kosten und hat einen kompletten Überblick.

Have you been dreaming of your own secret hiding place since you were a child? Instructions for building a secret door.

For a changeover circuit with Homematic IP, you only need to replace one switch with a Hm-IP switch/measurement actuator for brand switches