RS485 CAN HAT for Raspberry Pi - Cover Expand

RS485 CAN HAT for Raspberry Pi

Waveshare Waveshare

9RPIHCAN485

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The RS485 CAN HAT for Raspberry Pi offers an ultra-easy solution to long-distance communications, in a convenient Plug ’n’ Play HAT package.

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R 199.95

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Raspberry Pi projects are always exciting, and are certainly some of the easier projects for Makers interested in Electronics and Coding due to the vast amount of resources, libraries and other goodies available from other Makers and online communities. However, even the most advanced software can’t always be the solution, and sometimes you may need expanded functionality from Raspberry Pi HATs like this RS485 CAN HAT.

The  RS485 CAN HAT for Raspberry Pi is designed to make long-distance communications as easy as possible, with integrated controllers and transceivers that offer RS485 operations via UART and CAN functions via SPI interface, providing half-duplex communication and automatic TX/RX control without needing any extra programming or modifications.

Additionally because this module has been designed in the classic HAT format, it can simply be plugged directly into the top of Raspberry Pi Boards to immediately add extra functionality and long-distance comm’s capabilities to whatever Pi project you’re busy working on.

 

RS485 CAN HAT for Raspberry Pi  -  Technical Specifications:

  • Operating Voltage                   

– 3.3V DC

  • CAN Controller

– Microchip MCP2515

  • CAN Transceiver

– Texas Instruments SN65HVD230

  • RS-485 Transceiver

– Sipex SP3481/SP3485

  • Circuit Protection

– Onboard TVS (Transient Voltage Suppressor)

  • Dimensions

– 65 x 30mm

 

RS485 CAN HAT for Raspberry Pi  -  Pin Mapping:

  CAN HAT Pin  

Raspberry Pi Pin

  Pin Description

3V3

3V3

  3.3V Power Input

GND

GND

  Ground

SCK

P11 / SCLK

  SPI Clock Input

MOSI

P10 / MOSI

  SPI Data Input

MISO

P9 / MISO

  SPI Data Output

CS

P8 / CE0

  SPI Chip Selection

INT

P25

  Interrupt

RXD

P15 / RXD

  RS485 UART Receive

TXD

P14 / TXD

  RS485 UART Transmit

RSE

P4

  RS485 TX/RX Control (Auto by Default)

 

Typical Applications for the RS485 CAN HAT for Raspberry Pi:

Communicating long distances is not always as easy as telephonic companies make it seem, but fortunately you don’t have to worry about the very complex parts, as you can simply get fantastic expansion boards like the RS485 CAN HAT for Raspberry Pi. And rather than having to develop your own long-range Communications protocols or resort to wireless comm’s (which can certainly bring its own level of complexity), this HAT does all of the complicated parts for you. So next time you find yourself limited by the distance at which your Pi needs to send signals, remember that this RS485 HAT offers one of the easiest solutions available.

 

Additional Resources:

 

9RPIHCAN485 - MCP2515 DSheet

9RPIHCAN485 - MCP2515 Datasheet

Download (1.02M)

9RPIHCAN485 - SN65HVD230 DSheet

9RPIHCAN485 - SN65HVD230 Datasheet

Download (639.57k)

9RPIHCAN485 - SP3481 DSheet

9RPIHCAN485 - SP3481 Datasheet

Download (125.39k)

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When it comes to producing unique electronics components and modules, there are very few brands that can provide the quality that Waveshare can. Based in the Futian District in Shenzhen, China, Waveshare are experts in developing electronics to a high standard of quality, which have been thoroughly tested to work seamlessly with corresponding development platforms and systems – such as the E-Ink HATs for Raspberry Pi’s.


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