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April 26, 2017 AT 4:00 am

Sound Activated LEDs in Embroidery Using an ATtiny85 #WearableWednesday

Via Jessica Hogan on Medium

I love embroidery and electronics! This project’s goal was to create sound activated, embroidery embedded LEDs using an ATtiny85! My first step was to find a schematic and code that worked! I found on Technoblogy, a great resource for Arduino & AVR projects. I tested it out on a breadboard, successfully! I like to use ATtinys because you can program them with Arduino code and Sparkfun’s AVR programmer make it very easy!

Then I decided on an image to stitch. I figured a ferris wheel with ten seats worked perfectly, as the project uses ten LEDs. I digitize my images using SewArt, by S&S Computing. SewArt is awesome because it allows me to design unique embroidery files (PES for Brother machines) that incorporates textures.

Once my image was stitched with my Brother SE-400, I pressed it into an embroidery hoop so the fabric was taught and ready for placing components. Prior to hooking everything up I milled little PCBs for the resistors and ATtiny to sit on, making connections more secure and easy to solder. The end result looks a little messy. As much as I love sewing with conductive thread, wiring and soldering is much faster!

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