Converter USB-UART CH343 - USB type A plug - Waveshare 21442

Index: WSR-21713
The converter is based on the CH343 chip . It enables communication between USB and UART interfaces. It is used to exchange data between a computer and a microcontroller. It ensures stable information transfer and is compatible with many operating systems. It is powered with the voltage of 5 V or 3.3 V (selection with a jumper). The version is equipped with a USB type A connector.
Converter USB-UART CH343 - USB type A plug - Waveshare 21442
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Manufacturer: Waveshare

Product description: USB-UART CH343 converter - USB type A plug - Waveshare 21442

The converter is based on the CH343 chip . It enables communication between USB and UART interfaces. It is used to exchange data between a computer and a microcontroller. It ensures stable information transfer and is compatible with many operating systems. It is powered with the voltage of 5 V or 3.3 V (selection with a jumper). The version is equipped with a USB type A connector.

Converter USB-UART CH343 - USB type A plug - Waveshare 21442

Converter USB-UART CH343 - USB type A plug - Waveshare 21442 .


Converter pins


Converter pins
.

The pins of the module

  • VCC - output voltage 5 V or 3.3 V (jumper selection)
  • GND - ground
  • TXD - UART transmitter pin (connected to MCU.RDX)
  • RDX - UART receiver pin (connected to MCU.TXD)
  • RTS # - Request to Send signal of UART interface (connects to MCU.CTS)
  • CTS # - Clear to Send signal of UART interface (connects to MCU.RTS)

Features of the USB-UART converter

  • Based on CH343 chip: Supports higher data rate (up to 6Mbps).
  • Compatible with operating systems: Mac, Linux, Android, Windows 7/8 / 8.1 / 10/11.
  • Built-in resettable fuse, transient voltage choke. The module has overcurrent, anti-overvoltage and antistatic protections, improving shock resistance. Provides stable and secure communication.
  • Built-in 3.3V and 5V TTL level switch to select TTL communication level.
  • Support for 3.3V / 5V output (the module is powered by USB, and the jumper on the board should be properly shorted to 3.3V or 5V).
USB-UART converter CH343 - Waveshare 21442

USB-UART converter CH343 - Waveshare 21442 .


Detailed dimensions of the module

Detailed dimensions of the module .

Waveshare 21442 specification

  • Developer: Waveshare
  • Manufacturer's model number: 21442
  • Product type: USB-UART converter
  • Control system: CH343
  • Data transfer rate: 50 bps to 6 Mbps
  • USB: type A
  • Built-in diodes indicating: PWR power supply, and work in RXD and TXD modes

Kit contents

  • USB-UART CH343 converter - USB type A plug - Waveshare 21442: 1 pc.
  • 6-pin cable: 1 pc.

Converter - chip CH343
Converter - Socket USB
Converter - Interface UART
Package width 7 cm
Package height 11 cm
Package depth 1 cm
Package weight 0.012 kg

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