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Holiday Notice: Elecrow will be on holiday from May 1-4. You can still place orders during this time. PCB & PCBA orders will be processed from May 4th, and product orders will start shipping from May 5th. Enjoy the holidays!
This module can be used to convert the RS232 voltage of PC to TTL voltage that used by microcontroller. Directly plug the DB9 connector into your PC then you can communicate with the microcontrollers using the Serial port. It applies to various f platforms including Arduino / AVR / ARM. For Arduino, please also note that there is already a UART2USB connection, you just need this module if you want more serial connection to your computer.