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M5 COMMU Module-RS485 TTL CAN I2C Port

M5 COMMU Module-RS485 TTL CAN I2C Port

  • Availability:
    Discontinued
  • Product Code: M5S-COM-MOD
  • Warranty Period: 12 months

COMMU is a Muti-Communication-Interface-Converter, an add-on module for M5Stack controllers.

Integrated with 2 x IIC, 1 x TTL, 1 x CAN, 1 x RS485. Apparently COMMU has packed with most of series communications.

 

MBUS Pin Map:

Default connection:

  • TTL - UART0
  • RS485 - UART2
  • Since ESP32 pin map is allowed for re-assign, you can re-assign or re-mapping the TTL or RS485 interface to other pins.

Be careful about TTL Interface. It is a UART Interface by default. But you can switch it to connect with UART2 after changing those jumpers (J6, J7, J9, J10).

Note: If you're interested to get other M5Stack modules in your hand for a lot more fun projects, you may get them here.

Features and specifications:

  • Interface:
    • 2 x I2C Interface
    • 1 x CAN Interface
    • 1 x RS485 Interface
    • 1 x TTL Interface
  • CAN controller: MCP2515-1/SO
  • RS485 Transceiver: SP3485EN-L/TR
  • Net weight: 13.5g
  • Gross weight: 24g
  • Product size: 54.2*54.2*13mm
  • Package size: 60*57*17mm
  • Material: Plastic ( PC )

Packing list:

  • 1 x M5Stack COMMU Module

Resources:

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Tags: M5Stack, communication, wifi, bluetooth, add on, I2C, 1TTL, 1CAN, 1RS485