Wireless COMMU Module Extend RS485/TTL CAN/I2C Port with MCP2515 TJA1051 SP3485 Development Board EP32 Kit

Description COMMU is a Muti Communication Interface Converter Integrated with 2IIC 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 Product Features 2x I2C Interface1x CAN Interface1x RS485 Interface1x TTL InterfaceCAN controller MCP2515 1 SORS485 Transceiver SP3485EN L TRProduct Size 54 2mm x 54 2mm x 12 8mmProduct weight 13 5gPackage Included 1x M5Stack COMMU ModulePinMap CANESP32 ChipCAN CSGPIO12CAN INTGPIO15CAN SCKGPIO18CAN MISOGPIO19CAN MOSIGPIO23I2C InterfaceESP32 ChipIIC SDAGPIO21IIC SCLGPIO22Related Link Offical VideoForumDatasheetSP3485MCP2515EasyLoaderclick to download EasyLoader1 EasyLoader is a simple and fast program burner and each product page has a product related case program for EasyLoader 2 After downloading the software double click to run the application connect the M5 device to the computer via the data cable select the port parameters and click Burn to start burning 3 The CP210X USB driver needs to be installed before the EasyLoader is burned Click here to view the driver installation tutorialExample forIDECAN communicationThese are two COMMU examples for CAN communication tansmit