USB-C Wi-Fi/BLE Sensor Node Design
Worked for 3 mins 34 sec
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Accomplished so far:
- Renamed the project to USB-C ESP32 Environmental Sensor and updated its description.
- Added the main schematic components: ESP32-C3 Wi‑Fi/BLE module, SHT41 temperature/humidity sensor, USB-C receptacle, TPS259530 eFuse/protection IC, AP2112K 3.3V LDO, USB ESD protection, boot/reset buttons, status LED, and supporting passives.
- Wired the main power path, USB-C CC pull-downs, USB D+/D− to ESP32-C3, I2C sensor bus, 3.3V rail, EN/BOOT controls, status LED, and common ground.
- Added TPS259530 support parts for current limit, UVLO divider, soft-start, and fault pull-up, but these final support parts still need wiring.
Remaining work:
- Wire R8/R9/R10/R11/C7 to the TPS259530 eFuse.
- Mark unused ESP32, USB-C SBU, and regulator NC pins appropriately.
- Create project files: project specification, power budget/design notes, firmware starter, regulatory checklist, and board bring-up plan.
- Run ERC/design checks and fix any schematic issues.
- Then proceed to PCB sizing, placement, antenna keepout, routing, and DRC when you’re ready.
Wire eFuse parts
Manual wiring help
Create spec document
Run design checks
PCB setup guidance
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