REQ-043 — Fan controller U21 regulates fan speed via I2C
approved · Functional · Approved by demo
Statement
Fan controller U21 (MAX6650) shall regulate fan speed via I2C.
Acceptance Criteria
Fan runs at full speed at boot; speed reduces to regulated level when accordion process is running.
Linked Test Cases
| Code | Title | Status |
|---|---|---|
TC-S-00 |
Fan controller U21 (MAX6650) speed regulation via I2C | open |
Sign-offs
| Stage | Signed by | Role | When | Attestation |
|---|---|---|---|---|
| approved | demo | — | 2026-06-10 13:05 | — |