Custom ESP32-S3 development board.

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Main components

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Part NumberDescription
ESP32-S3Microcontroller, Wi-Fi 802.11b/g/n, Bluetooth, 32bit
USBLC6-2P6Very low capacitance ESD protection diode, 2 data-line, SOT-666
TLV76733DRVx1A Precision Linear Voltage Regulator, with enable pin, Fixed Output 3.3V, WSON6
W25Q128JVS

Shard schematic

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Shard board layout