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Smart Running Insole PCB Design

flux

0:06

Work done
  • Removed the microSD hardware from the schematic by deleting J4 and C7.
  • Verified the former SD pins on U1 are now unconnected: IO4, IO5, IO6, and IO7.
  • Generated release artifacts from the current project state:
    • insolemasterright.pdf
    • insolemasterright-gerbers.zip
    • https://cdn2.flux.ai/flux-comment-files/files/commentFileId-3adef554ac95d97c432f2d3ca40b1840a3d38ba376379548469eddd471b66fe4.csv?GoogleAccessId=autopilot-sa-d60c62b%40graviton-mvp.iam.gserviceaccount.com&Expires=4928303452&Signature=fiVi9GNWKbBI6sCjreNWM9Vg2Ot93FJxFQd4zF1RlijEqjU5llGLGw0EIuInEhxruFzfZG3eVoNlxQemYceVpjVHgzEu3IHFQg5B7IVLEloI0onSCWjP%2FzUiIJpNAnXJy5voesSIpkRFMIwAQ%2FfvAOQOvivHjUTp5AvcMZg9Ic%2BwcEeePy5w47UoVDgJ4eym%2BmK4i%2Fv3OhYm0p7dotJdmJQA1uJf%2BwUZiRe2jB%2BlM1Z4t9UmbxSYyhSrfE5xCGsRa1C8gFX68yoQZZIzptbdqDhILJNvUWmdHipqHL3C4I4d1GQrBk6buZFW54b0k9LmMaTObFECvbkA8kvvIiWEbg%3D%3D
  • Created manufacturing notes with the requested panelization guidance: manufacturing-notes-slave-left.txt
Success criteria review
  • ✅ MicroSD schematic hardware removed; J4 and C7 are no longer present, and U1 GPIO4-7 are unconnected.
  • ❌ I could not verify or edit the existing layout silkscreen text object from MASTER RIGHT FOOT to SLAVE LEFT FOOT.
  • ❌ I could not confirm that all non-microSD layout content remains unchanged, because the current layout already has active DRC issues and I do not have a tool here to directly edit arbitrary existing text/traces/copper objects.
  • ✅ PDF, Gerber ZIP, and BOM CSV were generated from the current project state.
  • ✅ Manufacturing notes include the requested panelization guidance.
Next steps The remaining work is layout-side: update the board identification silkscreen text, remove any residual microSD footprint/copper if still present, and re-check the layout before release. If you want, I can continue by auditing the uploaded files or any layout snapshots you provide, but I could not complete those layout edits directly from the available project-editing tools in this run.
Check current project
Review microSD refs
Export release files
35 days
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Documents

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    Assets

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    insole_master_right thumbnail
    Bilateral smart running insole data logger using two nearly identical ESP32-S3 pressure-sensing PCBs. Left variant is an ESP-NOW slave without microSD; right variant is the master with microSD logging. Both preserve the 16-zone FSR mux front end, LiPo charging, AP2112K regulation, USB-C charging input, JST battery connector, and the 280mm x 90mm 2-layer low-profile insole form factor.

    Properties

    Diagram
    


  
    
  
  
    
  



""Left slave variant""


""Right master variant""


















ESP-NOW 16 channels
















16-zone FSR array
CD74HC4067 mux
ESP32-S3
USB-C charge input
TP4056 charger
LiPo battery
AP2112K 3.3V
ESP-NOW sender
16-zone FSR array
CD74HC4067 mux
ESP32-S3
USB-C charge input
TP4056 charger
LiPo battery
AP2112K 3.3V
microSD logger

    Pricing & Availability

    Distributor

    Qty 1

    Arrow

    $0.16–$0.47

    Digi-Key

    $1.33–$3.11

    LCSC

    $2.71–$2.81

    Mouser

    $3.24

    TME

    $2.04

    Verical

    $0.57–$10.40

    Controls

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