Main components

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Part NumberDescription
TCAN332GDR3.3-V CAN Transceivers with CAN FD (Flexible Data Rate)
ESP32-S3-WROOM-1RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD
74AHCT244D,11874AHC(T)244 - Octal buffer/line driver; 3-state@en-us
USBLC6-2SC6
AMS1117-5.0
LM2596S-3.33.3V 3A Step-Down Voltage Regulator, TO-263

auxcan schematic

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auxcan board layout

auxcan PCB render

Top PCB
Bottom PCB