Hardware Guide

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Hardware Guide
Not recommend
Recommend
- GND Traces are needed to shield
outline of PCB. GND shielding and
more GND Vias can prevent the board
from EMC issue(RE, ESD, noise
protect etc.)
Layer 1
Layer 2
Layer 3
- Clock line is not shielded with GND.
This can be a noise source and cause RX
sensitivity interference.
- Signal Vias are not shielded with GND.
These can cause cross talk (RX
sensitivity interference)