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Green circuit board with 40-pin header, two terminal blocks and one smaller connector, labelled RS485 and CAN

LORDWORLD

LORDWORLD Isolated RS485 CAN HAT (B) development board

SKU CH-EYT2-00DYC

Adds one CAN channel and two RS485 channels to a Raspberry Pi via SPI, with 8 to 28 V isolated power that also supplies the host board

  • Fits Raspberry Pi 40PIN GPIO header for direct attachment
  • Single CAN channel uses MCP2515 controller plus transceiver for SPI-to-CAN conversion
  • Dual RS485 channels use SC16IS752 and SP3485 chips for SPI-to-RS485 translation
  • 8~28V wide-range input powers both board and Raspberry Pi simultaneously
  • Onboard unibody isolation delivers stable isolated voltage without extra supply

Isolated RS485 CAN HAT (B) for Raspberry Pi

This development board adds one CAN channel and two RS485 channels to any Raspberry Pi model with a 40-pin GPIO header. It uses an MCP2515 controller and an SC16IS752 plus SP3485 dual-chip combination to convert SPI signals into industrial bus protocols. The board draws power from an 8 to 28 V supply and can feed the host Raspberry Pi simultaneously.

Suits engineers building industrial gateways

The HAT is designed for projects that need isolated CAN and RS485 interfaces on a Raspberry Pi platform. It is not intended for applications that require Ethernet, Wi-Fi, or Bluetooth connectivity because those interfaces are not present on the board. Users needing more than one CAN channel or more than two RS485 channels should consider a different solution.

Onboard isolation and wide-voltage input maintain

A unibody power-supply isolation circuit delivers clean isolated voltage to the bus transceivers without an extra external supply. The 8 to 28 V input range allows the board to run from common industrial power rails while also powering the Raspberry Pi, reducing wiring complexity during long-term deployments.

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Price $69.99
Pricier than about 71% of the 1,420 comparable items (median $44.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

Which Raspberry Pi boards can I attach this HAT to?

It fits the standard 40PIN GPIO header found on Raspberry Pi series boards.

Will the isolated RS485 channels work with legacy 5 V RS485 gear?

The SP3485 transceivers on the two RS485 channels are 5 V tolerant, so they can communicate with older 5 V RS485 devices.

How do I verify the CAN channel is operating after I install the HAT?

Bring up the MCP2515 via SPI, then use candump or cansend on the Linux can0 interface to see frames on the bus.

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