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CONTENTS

Module COMMU

SKU:M011

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Description

Module COMMU is a communication conversion module in the M5Stack stackable module series. It integrates 2 I2C interfaces, 1 TTL interface, 1 CAN interface, and 1 RS485 interface, meeting various communication conversion needs during development.

Note

Note: When using with Core2, the base needs to be removed to properly flash the program.

Features

  • Supports multiple communication protocols such as I2C, TTL, RS485, and CAN.

Includes

  • 1 x Module COMMU

Specifications

Specification Parameters
Interfaces I2C x2, CAN x1, RS485 x1, TTL x1
CAN Controller MCP2515-1/SO
RS485 Transceiver SP3485EN-L/TR
Material Plastic (PC)
Net Weight 13.5g
Gross Weight 24g
Product Size 54.2 x 54.2 x 13mm
Package Size 133 x 95 x 16mm

Schematics

PinMap

MCP2515 ESP32 Chip
CAN_CS GPIO12
CAN_INT GPIO15
CAN_SCK GPIO18
CAN_MISO GPIO19
CAN_MOSI GPIO23
*I2C Interface* ESP32 Chip
I2C_SDA GPIO21
I2C_SCL GPIO22

Datasheets

Softwares

Arduino

UiFlow1

Easyloader

Easyloader Download Link Notes
Module COMMU Example Easyloader with M5Core download /

Video