REQ-016 — MCU Supply Voltage
approved · Performance · Approved by demo
Statement
3.3V shall be present at the MCU supply pin within the specified operating range of 3.0–3.6V. Decoupling capacitors (100 nF near VCC pads, 100 µF bulk) shall be fitted near the module.
Acceptance Criteria
3.3V measured at MCU supply pin within 3.0–3.6V under all operating conditions.
Linked Test Cases
| Code | Title | Status |
|---|---|---|
TC-D-00 |
ESP32 boot and UART output | pass |
TC-M-02 |
Decoupling cap placement near ESP32 VCC | open |
TC-M-00 |
Visual inspection | open |
TC-P-11 |
Bring-up idle current (bench PSU, no firmware) | pass |
Sign-offs
| Stage | Signed by | Role | When | Attestation |
|---|---|---|---|---|
| approved | demo | — | 2026-06-05 06:42 | — |