CJMCU-4232 FT4232HL 模組,USB轉RS232/RS485/RS422/UART/JTAG/SPI/I2C
CJMCU-4232 FT4232HL USB轉RS232/RS485/RS422/UART/JTAG/SPI/I2C
USB轉4路UART
芯片手冊: http://www.ftdichip.com/