A ceiling-mounted KNX presence detector with four sensors, picking up the small movements of someone sitting still and holding a room at a set light level. Home Assistant reads its presence through the KNX integration.
Four sensors behind a fine lens detect presence across an 8 m circle and movement across 16 m. The K versions also keep the room at a constant light level, dimming the lights as daylight comes in. A 3-sensor version covers a 5 m circle, and a matt black finish is available.
It drives up to four light channels on its own, plus a heating and cooling channel and an alarm channel, so a room can follow presence even without Home Assistant. A built-in white LED works as a night light.
It is programmed in ETS first. In Home Assistant, its presence output is added as a binary sensor in the KNX panel, using the group address from the ETS project.
Recipes using this device
Presence Room Lighting
Installs a Home Assistant automation that keeps a room's lights on for as long as an mmWave presence sensor sees someone in it, and switches them off shortly after the room empties. Add a light sensor to run only after dark, and dimmable lights that come up softly.
Presence Thermostat Setback
Installs a Home Assistant automation that eases your thermostat into an energy-saving preset once everyone has left, and brings it back to a comfort preset the moment someone returns. Add extra occupancy sensors and any one of them counts as home.
Recipes that can use it
These recipes are built around other hardware, and pick this device up as an optional extra.
Away Motion Camera Alert
Installs Home Assistant automations that watch for motion while the house is armed and send you a notification with the camera view attached. Add presence sensors to arm and disarm on their own, a siren to sound off, and lights to flash.
Door or Window Left Open Alert
Installs a Home Assistant automation that watches your door and window sensors and pushes a notification to your phone when one is left open past a grace period while nobody is home. Add lights and it flashes the room, add a speaker and it announces the warning out loud.
Motion Hallway Light
Installs a Home Assistant automation that turns a hallway or landing light on when motion is seen and off again once the space has been still for a grace period you set. Add a light sensor and it only runs after dark, add a presence sensor and it holds the light while someone lingers.