Sewable ATtiny PCB Soft Circuits

Jess
2 min readMar 18, 2017

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Examples of my projects

I love combining textiles and electronics. Medium is my new place to put these experiments and projects! Please read my background story here. Lately I’ve been fascinated with making ATtinys sewable. I’m aware that Adafruit makes programmable/sewable ATtiny boards, but not for the breadboard sized ATtinys.

I’ve been milling simple sewable versions at the Austin Texas Hackerspace, where I’m a member. The machine I use is called an x-carve, the software is Easel, both created by Inventables.

This first example is machine embroidered felt stretched into a wooden embroidery hoop.
Battery holders with on/off switched are the best!

I milled the LED’s on this one. They do not have resistors like other sewable LEDs. You can see how they don’t evenly distribute the power.

This final example depicts a project kids would create in a soft circuits summer camp. Machine embroidering their names, hand sewing a simple circuit, and programming their ATtinys to light up the LEDs!

The aliens’ UFO here only lights up if the room is dark. This circuit was made using some sewable components, but connected with wires, as my photocell sensor wasn’t working with my conductive thread!

Examples of sewable photocells etc.
Inspired by my cat, Francois! Also a night light!

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Jess
Jess

Written by Jess

I like making things. A lot.

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