Everything Presence One Ceiling Mount & POE Mod

An updated version of my Everything Presence One ceiling mount
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updated December 12, 2025

Description

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My new and improved downlight enclosure for the Everything Presence One sensor!

  • Repackages the Everything Presence One as a ceiling-mounted sensor

  • Includes mounting for a POE power adapter

  • Fits a 90mm or 92mm downlight hole

Original version

Parts
 

PLEASE NOTE

Some versions of these POE adapters come without a screw hole in the centre. I've provided a slightly different mount version that should work with these. I used VHB tape to attach the board to the mount.


Printing


Print each component flat side down, I used a textured print bed. Matte filaments blended into my ceiling best.

PLA should be fine, but if you're in a warm climate, PETG is a much better option.

Some support required for the Back_Cover component. Tree supports worked well for me! 

Assembly


Disassemble the EP1 sensor and POE module. Solder your new wires to the +5v and G pins on the POE PCB. Mount the POE PCB on the POE_Mount print with an M3x6 screw, or VHB tape if you don't have a screw hole in your POE board.


Remove the MMwave and PIR sensor from the EP1. Attach the EP1 to the PCB_Mount component in the labelled position using 2 M3x12 screws. Pass the wires through the hole in the PCB_Mount and connect them to the 5V headers. Now you can reattach your sensors.



The PCB_Mount is then sandwiched between the Front_Cover and Back_Cover which are held in place with 2 x M3x12 screws



Lastly, install your arms with the M3x25mm screws through the Front_Cover and the arms, adding springs between the arm and front cover component if you want to! 


You're done! To install your sensor, cut a 90mm hole in your ceiling, slide the sensor into place and tighten the 25mm M3 screws. 



As you tighten them, the arms will swing out and tighten against the back of the plasterboard.

Once tight, lock your faceplate in place.

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The author marked this model as their own original creation.

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