PL2303 USB UART Board (USB-C)

WaveshareSKU: WAV-20645
Sale price £3.58
incl. VAT
excl. VAT
Only 5 units left

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WavesharePL2303 USB UART Module (USB-A)
Sale price £3.58 incl. VAT excl. VAT

This is a small USB to UART conversion board featuring a PL2303GS USB to serial bridge chip, RS/TX/Power indication LEDS and a USB-C connector.

We also stock a version with a Micro-USB connector and a USB-A version.

Note: the module is compatible with TTL level only, to avoid damage please do not directly connect to an RS232 circuit.


  • PL2303GS onboard
  • Supports windows 7/8/8.1/10/11
  • 3 VCCIO power mode via jumper setting:
    • VCCIO - 5V: 5V output
    • VCCIO - 3.3V: 3.3V output
    • Open jumper: powered from target board (1.8V/2.5V/3.3V/5V)
  • 3 LED indicators: TXD, RXD and POWER


When working with an MCU such as the ATMEGA 328:

  • VCCIO ↔ 3.3V or 5V output (the module is powered from USB, the onboard jumper should be shorted to 3.3V or 5V)
  • GND ↔ GND
  • TXD ↔ MCU.RX (signal direction: MCU.RX << PL2303 << PC.TX)
  • RXD ↔ MCU.TX (signal direction: MCU.TX >> PL2303 >> PC.RX)


  • Waveshare Wiki (directs to the Micro-USB version, no separate Wiki for USB-C version but the functionality is the same)

Package Contents

  • 1x PL2303 USB UART Board (USB-C)
  • 4-pin custom jumper wire

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