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Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections

Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
Waveshare Isolated RS485 CAN HAT (B) For Raspberry Pi, 2-Ch RS485 and 1-Ch CAN, Multi Protections
₹​1,631.0
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RS485 CAN HAT (B) is a HAT with RS485 and CAN communication functions developed by Waveshare for Raspberry Pi, with RS485 and CAN communication functions.


Example Codes/ Scripts/ Schematic/ Datasheet


  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
  • 1-Ch CAN, adopts MCP2515 controller and CAN transceiver, converts SPI to CAN
  • 2-Ch RS485, adopts SC16IS752+SP3485 dual-chip combination, converts SPI to RS485
  • Onboard power conversion circuit, supports 8~28V wide voltage power supply, can power the Raspberry Pi at the same time
  • Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
  • Onboard unibody digital isolation, for isolating the signal, reliable and jamproof, low power consumption
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
  • Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
  • Onboard 120Ω terminal resistor, configured by jumper
  • Onboard terminals and pin headers, more convenient connection
  • Breakout SPI control pins, for connecting with host control boards


Expanded interface2-Ch RS485 + 1-Ch CAN
Communication BusSPI
CAN ControllerMCP2515
CAN ReceiverSIT65HVD230DR/SN65HVD23D
CAN Baud Rate≦1Mbps
UART Expansion ChipSC16IS752
RS485 ReceiverSP3485
RS485 Baud Rate300~921600 bps
Power SupplyExternal screw terminal or Raspberry Pi
External Voltage RangeDC 8~28V
Operating Voltage3.3V
Dimensions65 × 56.5 mm










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Tags: RS485 , CAN , HAT