Main components

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Part NumberDescription
TVS-SMDB03CE3
ESP32-S3-WROVERRF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD
XT60PM-F
XT60PW-M
LDO-TLV74033PDBVRLDO Fixed output 3.3V. Input range: 3.7V-5.5V. 300mA
SN65HVD232CAN Transceiver
LDO-LM7805MPX/NOPB7.5V-35V To 5V LDO. 1.5A

ArmJ2 schematic

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ArmJ2 board layout