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docs(cubie/a7s): add fan interface tutorial and update hardware-info#1530

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jack-ma merged 4 commits intoradxa-docs:mainfrom
tangzz-radxa:docs/cubie-a7s-fan-interface
Mar 26, 2026
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docs(cubie/a7s): add fan interface tutorial and update hardware-info#1530
jack-ma merged 4 commits intoradxa-docs:mainfrom
tangzz-radxa:docs/cubie-a7s-fan-interface

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Description

Add fan interface tutorial for Cubie A7S and update hardware-info.md with brief fan header section.

Changes

  • **New file **: Fan interface tutorial with specs, pin definition, and PWM control guide
  • **Updated **: Added fan header section with link to fan.md
  • **New file **: English version
  • **Updated **: English version

Fan Interface Specs (from schematic V1.10)

  • Interface type: 3-Pin female header, 1.25mm pin spacing
  • Operating voltage: 5V (VCC5V0_SYS)
  • Speed control: PWM (no tachometer feedback)
  • Pin definition: 1=GND, 2=PJ27_PWM1-9, 3=5V

Ref: internal discussion on Cubie A7S fan interface specs

- Add fan.md with interface specs, pin definition, and PWM control guide
- Update hardware-info.md with brief fan header section linking to fan.md
- Both Chinese and English versions updated

Ref: internal discussion on Cubie A7S fan interface specs
@tangzz-radxa tangzz-radxa requested a review from a team as a code owner March 24, 2026 08:54
@Milir-Radxa Milir-Radxa self-requested a review March 24, 2026 09:07
@jack-ma jack-ma merged commit 3d01d1d into radxa-docs:main Mar 26, 2026
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3 participants