Rhasspy / Wyoming Satellite Round Case / PiZero 2W + ReSpeaker 2Mic + large speaker

My take on a case for a self built Satellite for HomeAssistant
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updated January 6, 2025

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This is a simple case to house a RPi Zero2W with ReSpeaker 2Mic-HAT and a speaker with similiar size to the Pi (I use this https://cdn.shopify.com/s/files/1/1509/1638/files/Speaker_mini_3W_datasheet.pdf?v=1646837386 ). 

 

//Update 2025-01-06: I wasn't satisfied with the two part design, so I remade the satellite as one part that can be printed without any supports. Speaker and Pi get mounted from the bottom side which stays open.
Speaker can be mounted using either two heatset inserts with an OD of 4.3mm and two M3*5mm screws or with just two M3*5mm screws that cut their own thread in the plastic (two poles for the speaker mount have the hole for the heatset inserts, the other two poles have a cutout where the M3 directly screws in, always in diagonal.)

The Pi and HAT are now mounted using two M2.5 standoffs and two M2.5*3mm screws (but you could also use longer screws and spacers between the Pi and the HAT.

I added pictures showing how I routed the rather long speaker-wire which doesn't interfer with any components and keeps the cable nice and tidy.

Modifiers to create holes for the speaker and LEDs are included in the file.

 

The speaker can be mounted with up to four screws, the Pi and HAT should be attached with two screws and there are to poles that will pass through both the Pi and the HAT.

Two versions, one for useage with heatset inserts with an OD of 4.3mm and one where the M3 screws cut threads will screwing directly into the print.

Both versions need 2x M2*8mm screws to mount the Pi, and at least 2x M3*5mm to mount the speaker (in my opinion two screws are more than enough to mount the speaker, but if you want to be super secure you can use four).

The lid has modifiers built in, so you can generate the cut-outs for the leds of the respeaker2mic and the speaker if you want. The lid is just pressed into position while bending one of the tabs in. I might try to improve on the lid, but for now this works sufficient.

I'd suppose to wrap the speaker cable under the speaker itself three times to keep the cable mess low. Best to tape the cable flat to the underside of the speaker.

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