This versatile accessory board, designed to complement the Jetson Nano, enhances its capabilities by providing support for CAN and RS485 communication protocols. Its rich feature set includes GPIO extension, CAN controller, RS485 functionality, transient voltage suppression, digital isolation, and more. Here's a detailed breakdown of its features and specifications:

Features:

• Standard 40PIN GPIO extension header: This board seamlessly attaches to the Jetson Nano, expanding its GPIO capabilities.
• Onboard CAN controller MCP2515: Utilizes the SPI interface and pairs with the SIT65HVD230DR transceiver to enable CAN communication.
• RS485 functionality: Controlled via UART, offering half-duplex communication. It supports automatic TX/RX control without programming and includes the onboard transceiver SP3485.
• Transient Voltage Suppressor (TVS): Effectively suppresses surge and transient spike voltages in the RS485 circuit, providing lightning protection and anti-electrostatic features.
• Onboard digital isolation chip: Ensures safer signal isolation communication, enhancing stability and anti-interference capabilities.
• Reserved control pins: Allows seamless integration with other control boards, enabling expanded functionality.
• Comes with development resources and manual: Includes Python examples for ease of development.

Specifications:

• CAN Controller: MCP2515
• CAN Transceiver: SIT65HVD230DR
• RS485 Transceiver: SP3485
• Operating Voltage: 3.3V
• Mounting Hole Size: 3.0mm
• Dimensions: 100 x 79mm

Connect to Jetson Nano: This accessory board easily connects to the Jetson Nano, enhancing its capabilities.

Compatibility:

• B01 4GB Version: 

• 2GB Version: 

Additional Features:

• RS485 and CAN Functionality: Expands communication options for your Jetson Nano.

• Isolation Circuit Design: Ensures safer communication by incorporating onboard SM24CANB Transient Voltage Suppressor (TVS) to protect against static electricity, surge voltage, and transient peaks.

On-Board Components:

• CAN Controller: MCP2515
• CAN Transceiver: SIT65HVD230DR
• RS485 Transceiver: SP3485
• Power Isolator: B0505LS
• Digital Isolator Chip: ADUM1412
• Optocoupler Isolation Chip: PC817X3CSP9F
• TVS (Transient Voltage Suppressor)
• RXD & TXD Indicator
• Power Indicator
• Power Chip: RT9193-33

Pin Definition:

Outline Dimensions:

Enhance your Jetson Nano's capabilities with this feature-rich accessory board, designed to facilitate CAN and RS485 communication while ensuring safety and stability in various applications.