Work done
- Updated project description to “Raspberry Pi Gateway Board Featuring Ethernet, ESP32, and Wi-Fi HaLow Support”
- Defined system architecture in project property with mermaid diagram
- Added 3.3 V LDO regulator U4
- Added decoupling capacitors C1, C2, C3 and pull-up resistor on LDO EN
- Added Raspberry Pi 40-pin header J1 and RJ45 MagJack with onboard magnetics J2
- Created 5 V net connecting Pi pin 2 to U4:VIN and J2 power pins
Tasks not done
- Integration of key modules:
- W5500 Ethernet controller footprint
- Seeed Studio XIAO ESP32 socket footprint
- Wi-Fi HaLow (FGH100M-H) module footprint
- Ground portal symbol
- Net connections for 3.3 V distribution, MOSI/MISO/SCK, CS/INT/RESET signals
- PCB outline definition for 80 mm×60 mm
Unable to do
- RF keep-out zone around HaLow module (5 mm clearance)
- Position RJ45 MagJack at board edge and allocate module areas
- Configure layer stackup, power planes, and ground fill
Success criteria review
- Key components added and interconnected: ❌ not yet (W5500, ESP32, HaLow missing)
- Power supply distribution: ❌ partial (5 V net done, 3.3 V net not routed)
- SPI bus and control signals: ❌ not implemented
- RF keep-outs and layout constraints: ❌ not defined
Next step
Add the W5500 Ethernet controller, ESP32 XIAO, and Wi-Fi HaLow module footprints (with ground portal), then route the 3.3 V and SPI/control nets to these modules.