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Why use Bluetooth at all? Depending on the details, hiding a wire inside a sleeve should be doable. If you really want wireless, I’d suggest considering something like RFM69 / RFM95 type radios. You can easily find a wide variety of form factors, optionally with integrated Arduino compatible MCU, from Adafruit.

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It's a really good point, a wire based sensor eliminates a dead battery and interference as failure points. The Wireless accelerometer feature should come after the basic animation concepts have been ironed out and tested. I really appreciate the reference to RMF* type radios - I had not come across them in my reading.

> I really appreciate the reference to RFM* type radios

My pleasure. It’s surprising to me how many makers / hobbyists who need wireless don’t know about them so I make it a point to bring it up any time I can. I’ve built dozens of fun projects using them and find them to work really well for my needs. There’s trade offs between the 69s and 95s, so be sure to read up on adafruit’s site to decide which works better for your needs.

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