BigTreeTech CB1 Antenna Holder
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A holder to place the BTT CB1 WiFi module antenna on top of the board.
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- Creative Commons — Attribution
I used the BigTreeTech CB1 with the BTT PI4B Adapter as the subtitute for Raspberry Pi 4 to run Klipper for my printers. It ain't very much cheaper but Raspberry Pi is currently out of stock everywhere so…
The WiFi module have an external antenna but however doesn't have a good place to stick it on the board. So a holder is needed to hold it nice and neat.
You'll need 2x M2.5 screws with length 8mm (if used with PI4B), or 6mm (if without PI4B Adapter, not tested). I also added nylon washers to prevent the screw rubbing on the board, however this is optional. No heat inserts is needed.
The pillar height is 5mm and the platform above is 2mm thick. The screw hole diameter is 2.4mm and it fits just nice for my M2.5 screws.
Note: When used with PI4B Adapter, do not tighten the screw too hard!
There are space between the adapter and CB1 board which u may break the board if it is tighten too hard!
22 October 2022: Added 1.4 mm spacer to prevent CB1 detach from PI4B Adapter if screw is overtightened.