COMMU is a Multi-Communication-Interface-Converter. Integrated with 2I2C, 1TTL, 1CAN, 1RS485. Apparently COMMU has packed with most of series communications.
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 care about TTL Interface. It is a UART Interface actually by default. But you can switch it to connect with UART2 after changed those jumpers(J6, J7, J9, J10).
2x I2C Interface
1x CAN Interface
1x RS485 Interface
1x TTL Interface
CAN controller: MCP2515-1/SO
RS485 Transceiver: SP3485EN-L/TR
1x M5Stack COMMU Module
Resources | Parameter |
---|---|
Interface | I2C x2, CAN x1, RS485 x1, TTL x1 |
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 ) |
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