This USB serial cable supplies +5V at up to 500mA along with TxD and RxD sginals -- no hardware handshaking. The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port.

Please note This cable is not good for Arduino re-programming. It does not have the DTR/RTS wire necessary for initiating the bootloader reboot sequence.

NOTE: There might be driver issues with Windows 10 system.


  • 4-wire, 5V TTL serial interface. Wire colour coding as follows
    • Red: +5V
    • Green: Tx
    • White : Rx
    • Black: GND
  • Wire length: 80cm

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