WiFi Water Flow Meter Design
Worked for 13 sec
I’ll set up a practical 4-layer PCB, size it for the ESP32/USB-C/power/RS485 blocks, then place components with the ESP32 antenna at the board edge, connectors accessible, and decoupling close to IC pins.
Worked for 6 mins 53 sec
PCB layout placement is complete so far.
What I completed:
- Resized the board to 100 mm × 80 mm with rounded corners.
- Set a 4-layer stackup for better ESP32 RF grounding, cleaner power routing, and easier RS485/power routing.
- Placed all 40 physical components on the top layer.
- Put:
- USB-C input/protection on the left edge.
- ESP32 module near the top edge with antenna facing outward.
- 12V boost converter near the sensor power connector.
- RS485 interface near the RS485 field connector.
- J2/J3 sensor connectors on the right edge.
- UART programming header and LEDs along the bottom edge.
- Decoupling/support passives close to their ICs.
Current review state:
- Placement has no reported component overlap or board-boundary issue.
- The remaining layout errors are airwires, which are expected because routing has not been performed yet.
What remains:
- Review the placement visually.
- If you approve the placement, the next step is PCB routing.
- After routing, run final DRC and fix any routing/clearance issues.
Route with constraints
Check placement DRC
Adjust RS485 connector
Add mounting holes
Review placement view
