Enclosure for BSFrance / DIYmall LoRaM3-D boards, customizable for others
Description
I got one of these STM32 LoRa boards https://bsfrance.fr/lora-long-range/1367-LoRaM3-D-F303-LoRa-STM32-OLED-LiPo-development-board-long-range-ARM-SX1276.html on ebay and figured if I'm going to develop for it, it needs a case so I can carry it around without having the antenna cable dangling, risking damage etc. But this is one of my most-customizable box designs yet, so you could probably customize it for any board that has a display, some number of buttons and cutouts at arbitrary places, and a USB jack along the left edge. I got some inspiration from https://www.thingiverse.com/thing:2670713 but it ended up being more satisfying to start over than to modify it. I attached the board to the bottom part instead of the lid so that the antenna and the board would be together; but the downside of that is if you want to put something underneath (like a battery), those corner supports might be in the way. The box can be made deeper to accommodate a battery though. I will probably try later. After the print was done, I used a 3D printing pen to "weld" down two corners of the PCB. I think I like this technique: easier than finding the right-sized tiny screws and printing the right-sized holes for them. I'll see how easy it is to remove if I ever need to though. I don't plan to add any more electronics right away, just see if I can write an app that displays some data that it receives from TTN. So the box is currently only big enough to hold that board, nothing else; but the margins on all 4 sides are customizable.
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