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This project is a compact IoT node built around the ESP32-WROOM module, designed using KiCad. The main focus here was on creating a clean, reliable PCB layout that handles power and RF performance properly, especially in a small form factor.
The board uses a 4-layer stackup to keep things stable and reduce noise. With dedicated ground and power planes, it’s easier to manage EMI and ensure the ESP32 and its peripherals get consistent power.
EDA Tool: KiCad (tested on newer versions)
Layer Stack: 4 layers (Signal – GND – VCC – Signal)
Connectivity:
Power Design:
Extras:
Power Integrity
Uses solid ground and power planes along with stitching vias to reduce noise and voltage drops.
RF Layout Considerations
Proper antenna keep-out area and spacing to help maintain good wireless performance.
Compact Design
Kept small enough to fit into typical IoT enclosures.
Manufacturing Ready
Includes footprints and files suitable for fabrication and assembly (BOM, CPL, etc.).
This project is mainly focused on PCB design practices for IoT hardware. It’s a good reference for working with multi-layer boards, handling RF modules, and keeping power delivery clean.
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