ExpressLRS 2.4 Tx JR Bay Happymodel
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Update June 24, 2021: I made a second design for the HP 2.4 board, this time with a Snap Fit approach with the idea of getting rid of the very fragile tabs that went into the lid. In my opinion it works better than this one, and it doesn't require screws when using the recommended spacers. The link: https://www.thingiverse.com/thing:4880481 Update June 1st, 2021: Ben Wilson posted in the ELRS facebook group some spacers he designed for the original Happymodel case so no screws are needed. I printed the upper spacer in TPU (blue part in the last picture) and it works great with my model. This is the original link of the post: https://www.facebook.com/groups/636441730280366/permalink/757955384795666/ Link to the spacers in thingiverse: https://www.thingiverse.com/thing:4867657 Update June 2nd, 2021: For the V2 I just changed the profile of the tabs that go into the lid a bit to make the box more easy to assembly, using less force. I had a better result printing that part of the model at 0.12 layer height. Original: This is a JR Bay module for the Happymodel 2.4 TX for ExpressLRS. I took a design from <a href="https://thangs.com/Solidware/JR-Module-Bay-ExpressLRS-No-Screws-No-Supports-16442"> Solidware</a> and adapted it to the 2.4 Happymodel Tx. I really liked the way the lid and the body in the original design fit with no screws, but it was designed for the 900mhz PCB and it doesn't work for the 2.4g version, as I realized after printing it :( There are 4 holes for fixing the PCB to the case with the screws provided by happymodel (the larger head screws), but 2 screws are more than enough (See picture #5). In addition, I added a couple of columns to secure the PCB in place. This is the main body only, you still need to download the lid from Solidware original design. The tabs that go into the lid are very fragile. I printed the case in PETG and it is working well, but it should be handled with care not to brake them.
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