Name: CH340C USB UART Board (Type A)
Brand: Oxymora
SKU: OM0016
Availability: InStock

CH340C USB UART Board (Type A)

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CH340C USB UART Board (Type A) is a USB-to-Serial (TTL) communication module that enables easy interfacing between computers and microcontroller-based systems. It uses the CH340C chipset for stable and reliable USB-to-UART conversion through a standard USB Type-A connector.

SKU: OM0016

Brand: Oxymora

Product details

The CH340C USB-C to Serial TTL Converter is a versatile interface board designed to convert USB signals to standard UART serial signals (TTL level). Built around the CH340C chipset, it provides stable and high-speed communication between a computer and microcontrollers, development boards, or other serial devices.
This module features a USB-C connector for easy plug-and-play operation with newer laptops and systems. The onboard CH340C chip includes an internal crystal oscillator, minimizing external components and improving reliability. The board supports 3.3V and 5V logic levels via a selectable jumper, making it compatible with a wide range of devices such as Arduino, ESP32, ESP8266, STM32, and others.
It is ideal for programming, debugging, or serial monitoring applications in embedded system development and prototyping.

Specifications

ChipsetCH340C USB-to-UART bridge
Interface TypeUSB-C to TTL (UART)
Communication Voltage Levels3.3V / 5V selectable
Baud RateUp to 2 Mbps
Supported SignalsTXD, RXD, RTS, CTS, DTR, DSR, DCD, RI
Power SupplyPowered from USB 5 V; board regulates/outputs logic level accordingly
Operating Temperature–40°C to +85°C
ApplicationsSerial communication, microcontroller programming, debugging, data logging