Product Description
Unlock the full potential of your microcontroller projects with the USB-to-UART CH340 Converter. This tool bridges the gap between your computer’s USB port and your microcontroller’s serial interface at it’s logic level (5V/3V3 compatible), enabling programming, debugging, and data exchange. Compatible with popular development boards like ESP32, RP2040, Atmega328p and others, the CH340 ensures stable and efficient communication, making it a perfect choice for both hobbyists and professional developers.
Designed for ease of use, the CH340 converter simplifies the process of serial communication, enabling the use of any GPIO pins to send data to a computer via USB. Its design and performance make it an ideal choice for a wide array of applications, from uploading sketches to ESP32 modules to establishing serial console access for embedded systems. Experience quick CH340 driver installation for Windows (macOS and Linux are natively supported), ensuring you spend less time on setup and more time on innovation.
Beyond basic programming, the CH340 excels in IoT and embedded applications where serial data monitoring is crucial. Its cost-effectiveness, combined with high functionality, provides an excellent alternative to more expensive converters, without compromising on performance. Whether you’re building smart home devices, robotics, or custom sensor networks, the CH340 offers the dependable serial connectivity you need to bring your ideas to life.
Product features
Complimentary technical support
In case you ever get stuck with using this product, you can count on us. We provide free, no-strings-attached technical support with this product. Just reach out to us with your questions, and we'll be there to help you.
Open-source
Open-source culture is rooted deep inside us, and that’s reflected in our products. This product follows the open-source principle. It was made with the community’s suggestions and needs in mind. With a modular design, it can be modified to your needs and incorporated into your projects. We provide all the design documentation needed free of charge on our Github repository.
Made in EU
Soldered products, designed and manufactured in Croatia, are thoroughly tested and meet the highest EU standards of quality and safety.
Key features
- USB - UART bridge: CH340
- Input voltage: 5V (USB)
- Output voltage: 3.3V ili 5V, selected using the switch
- UART signal logic level: 3.3V
- USB connector: USB-C
- Power LED and RXD/TXD indication LEDs
- Dimensions: 38 x 22 mm / 1.5 x 0.9 inch
Full product documentation 
Open Source Hardware files 
Pinout drawing 
Hardware details 
Product datasheet 
CE certificate Customer reviews & ratings
1 reviews
No issues. 3V3/5V switch is a really nice feature, which makes it compatible with most boards (I tested it on ESP32)
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