this post was submitted on 29 Sep 2025
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Is it possible to block/shape mmwave? (leaf.dance)
submitted 3 months ago by zerodawn@leaf.dance to c/homeassistant@lemmy.world
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The sensor i have let's you set zones which work width wise but not height. What i would like to do, if able, is mount the sensor waist height or a little higher and block the top and bottom of the sensor so i only have the middle 20° being used. Can this be done with foil or metal?

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[–] CmdrShepard49@sh.itjust.works 2 points 3 months ago (1 children)

What about a regular PIR sensors? Google is showing me suggestions to put tape inside the lens of one if you want to narrow the beam.

[–] zerodawn@leaf.dance 1 points 3 months ago

An option no doubt but there's two reasons i'd not want to go that route unless necessary. First, i already have the device on hand and would like to find a solution to what i currently have. Two, i'd like to keep zone based motion if i'm able. Second of these can still be achieved by getting more sensors and blocking them into the zones i want but for one of my current sensors i'd have to buy three new ones.