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Converter USB-UART CH343 - USB type mini - Waveshare 21440
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 mini USB connector.
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Product description: USB-UART converter CH343 - USB mini plug - Waveshare 21440
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 mini USB connector.
Converter USB-UART CH343 - USB mini plug - Waveshare 21440 .
Botland is an official distributor of Waveshare devices. Their versatility and compatibility, particularly in display and power technology, have won over customers all over the world. Our team guarantees that all Waveshare products presented here are original.
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 21440 .
Detailed dimensions of the module .
Waveshare 21440 specification
- Developer: Waveshare
- Manufacturer's model number: 21440
- Product type: USB-UART converter
- Control system: CH343
- Data transfer rate: 50 bps to 6 Mbps
- USB: mini type
- Built-in diodes indicating: PWR power supply, and work in RXD and TXD modes
Kit contents
- USB-UART CH343 converter - USB mini plug - Waveshare 21440: 1 pc.
- 6-pin cable: 1 pc.
Useful links
| Name | Value |
|---|---|
| Converter - chip | CH343 |
| Converter - Socket | miniUSB |
| Converter - Interface | UART |
| Width | 7 cm |
| Height | 10 cm |
| Depth | 1 cm |
| Weight | 0.011 kg |
GLS
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The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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