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A project log for Wearable Raspberry Pi personal assistant

Powered by Raspberry Pi, Python, #pyLCI, 18650 cells and tons of peripherals.

aryaArya 05/03/2016 at 20:020 Comments

Hi everyone! So, I'm building this thing. Building first, documenting later.

This worklog spans across 4 24-hour intervals. I won't call them days because I typically associate them with some kind of schedule, and my schedule is fucked up beyond recognition. It's all long hacking sessions with random sleep breaks.

You remember the saying: "One picture is worth a thousand words"? Well, this worklog has 15 000 words. Go ahead, try to top that.

A pile of stuff soon to be interconnected and turned into my bracelet

Starting from top: display module, power module, comm module, base module

Connecting the cable to the Pi. Oh, and a RTC connected to I2C

USB hub added and soldered in, some more boards&stuff


Adding support for RW1062-controlled I2C displays in pyLCI - to my knowledge, first publicly available library for I2C RW1062. 5 hours of fuckery.

#Raspberry Pi portable workbench(Project Christoph) running #pyLCI - Linux Control Interface with RW1062 displays

The power board. Layout for 2 DC-DCs from 3.7V to 5V to power everything from 1SxP Li-ion cells. ALso, Pi GPIO header - fully accessible! Just doing the double-sided soldering stuff...

Done, all pins connected as they got to be, plugged in a nice audio card - just a proof of concept =)

This thing *is* huge.

Very nice for a thing build from scrap. It does need to be more beautiful though.

Mom, mom, I broke a leg!

Either it's huge or my arm is just tiny. Maybe both.

Adding a new connector to the cable. This is my personal OCD, it's not that easy to align them perpendicularly and if they aren't perpendicular, they are going to look like shit.

Crimping those headers is complicated. Fortunately, I have just the thing to help me. USSR tech to the rescue!

Testing the display and RTC with #pyLCI - Linux Control Interface.

Can you spot the cat?


I need a name for my project. Simply because "Wearable Raspberry Pi bracelet" sucks.

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