Chapter 4
PCB Layout Design
This chapter introduces the key points of how to design an ESP32 PCB layout using an ESP32 module (see Figure
ESP32 Reference PCB
Layout) as an example.
4.1 General Principles of PCB Layout
It is recommended to use a four-layer PCB design:
• Layer 1 (TOP): Signal traces and components.
• Layer 2 (GND): No signal traces here to ensure a complete GND plane.
Fig. 1: ESP32 Reference PCB Layout
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