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Raspberry Pi + Adafruit LCD Keypad Pi-Plate Wrist Mount

by sciguy14, published

Raspberry Pi + Adafruit LCD Keypad Pi-Plate Wrist Mount by sciguy14 May 30, 2013
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Summary

This is case for the Raspberry Pi plus the Adafruit LCD+Keypad Pi Plate (http://www.adafruit.com/products/1115). It comfortably holds and protects both while leaving all the port accessible. Most importantly, it snaps onto a bracelet that allows you to strap your raspberry pi to your wrist!

I used this for my "Control My Cap" Project, wherein a web-connected Raspberry Pi on my wrist was used to control a light-up display on my graduation mortar board. You can learn more here: http://www.jeremyblum.com/portfolio/control-my-cap/

Instructions

Print out the top and bottom parts of the Pi case, as well as the bracelet. The bracelet will need to be printed with support. Install the pi in the bottom of the case, and mount the LCD plate on top. Snap the top of the case on. Then, snap the bracelet in to the bottom clips. I recommend securing it with a few dabs of super glue since the fit is not very tight. The channel on the bottom can be used for routing the power micro USB cable so it can run up your arm along with the other USB cables that you might choose to plug in.

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Great design! It'd be awesome to make a bottom that fits the Adafruit low profile micro SD holder (http://www.adafruit.com/products/966)http://www.adafruit.com/produc... so it doesn't stick out so much on your arm. If I knew CAD I'd do it myself.

have you considered batteries? ;)

I'm using a laptop battery in my backpack right now.

right :) maybe you could make a batteryholder in a lower-arm mount? :D

Do you (or anybody else) have rechargeable Li-Ion recommendation for the Pi?

Another note, the Host USB ports on the Pi connected to the main 5V power rail on the PI. This is an unfused connection (so do it at your own risk), but I actually powered my Pi via the host USB port, since the thing I was attaching it could supply steady 5V power. This enables to you have just one wire running in the right direction from the pi.

I used the powersupply from http://www.thingiverse.com/thing:26814http://www.thingiverse.com/thi.... The batteries that are connected are 18650 cells, 3 of some random laptop battery, configured as 3SP1 so supplying ~11.1 volt.

Front for Voltage Regulator Board

Reminds me of the "Glitch Tool" from that old tv show Reboot. lol

Now put a glove with bend sensors on it and program it for chorded key entry and you'll have a fully portable setup.

Oh, crap, I want to do this now. Only no LED, I'd put an actual 3.5" monitor on it. Oooh, baby.

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