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pcb: New PCB revision#88

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fanfare-ff merged 7 commits intodevfrom
pcb/39/revision
Feb 26, 2026
Merged

pcb: New PCB revision#88
fanfare-ff merged 7 commits intodevfrom
pcb/39/revision

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@svire-at
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@svire-at svire-at commented Feb 20, 2026

  • Link related open issue
    Design a new PCB revision #39

  • Provide a short description
    Final PCB revision for future 1.0 release with updated sensors and speakers positions, proper pin arrangement and more professional look.

  • Provide a more detailed list of changes

    • Rearrange schematics
    • Better symbols and footprints
    • Better names and graphics
    • Add simulations for DC offset after AC coupling
    • Add BOM
    • Redraw PCB layout
    • Proper position for pressure and humidity sensor
    • Better positions for EXT headers
    • Silkscreen text labels for headers, pins, mics, etc.
    • Change supply polarity and pin numbers of ADA4511
    • Change cap of switches to 100n to reduce BOM
    • Change supply of sensors to unison 3.3V
    • Rearrange ADC pins
    • Add digital switches instead of manual headers
    • Add logos
  • Does this PR introduce a breaking change?
    All projects using ADCs current pin configuration

  • Other information
    Documentation should be updated for the new ADC pin arrangement

@fanfare-ff fanfare-ff linked an issue Feb 20, 2026 that may be closed by this pull request
14 tasks
- Change supply polarity and pin numbers of ADA4511
- Change cap of switches to 100n to reduce bom
- Change supply of sensors to unison 3.3V
- Rearrange mic and amps pins
- Add mountains
- Add Infineon logo
@fanfare-ff fanfare-ff changed the title pcb: new pcb revision pcb: New PCB revision Feb 26, 2026
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@integratedjoy integratedjoy left a comment

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good work

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@fanfare-ff fanfare-ff left a comment

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@fanfare-ff fanfare-ff merged commit a84eeac into dev Feb 26, 2026
@fanfare-ff fanfare-ff deleted the pcb/39/revision branch February 26, 2026 17:36
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Design a new PCB revision

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