Commit 460f413a authored by Sam Calisch's avatar Sam Calisch

Update README.md

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<img src='img/sewing-machine-v1.jpeg' height=300px>
This project documents work towards a custom sewing machine for experimenting with automated stitching.
This project documents work towards a custom sewing machine for experimenting with automated stitching. It is a work in progress! The machine forms stitches, but it needs a considerable amount of work to complete its functionality.
<img src='img/sewing-machine-milling.jpg' height=250px>
<img src='img/sew-ur.jpg' height=250px>
The prototype uses some components available from Sailrite made for the Ultrafeed LS-1 machine. Sailrite provides detailed exploded views of this machine in <a href='Sailrite Walking Foot Sewing Machine.pdf'>the manual</a> and sells components at <a href='http://www.sailrite.com/Sewing-Machines/Sailrite-Sewing-Machine-Parts'>their website</a>.
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The prototype uses some components available from Sailrite made for the Ultrafeed LS-1 machine. Sailrite provides detailed exploded views of this machine in <a href='Sailrite Walking Foot Sewing Machine.pdf'>the manual</a> and sells components at <a href='http://www.sailrite.com/Sewing-Machines/Sailrite-Sewing-Machine-Parts'>their website</a>. (TODO: call out the specific required components)
<a href='cad'>cad/</a> contains a Fusion360 file for the full assemply, as well as STLs for the necessary 3D printed parts.
<a href='driver_3ax'>driver_3ax/</a> contains design files and milling files for a driver pcb using the XMega A4U and three A4953 H-Bridges. It is designed to drive three <a href='https://www.pololu.com/category/115/25d-mm-metal-gearmotors'>25D DC gearmotors from Pololu</a>.
<a href='fw'>fw/</a> contains a firmware to run on the PCB above. It runs PID control loops on the three motors to turn them into servomotors.
<a href='analysis'>analysis/</a> contains an IPython notebook and supporting data for some analysis of seam strengths and the PID control loops.
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