USB to Serial Driver CH340 IC | Datasheet Analysis of CH340 | How to Interface RS232,RS485,UART

Опубликовано: 02 Май 2026
на канале: ELECTRONICS GLOBE
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A USB to serial converter is a device that allows you to connect serial devices, such as older computers, industrial equipment, or microcontroller-based systems, to a modern computer via a USB port. This is particularly useful because many modern computers do not have RS-232 serial ports, which were once common.
Here are some key points about USB to serial converters:
Functionality: They convert USB signals to RS-232, RS-485, or other serial protocols, enabling communication between USB-equipped devices and serial devices.

The CH340 is a popular USB to serial converter chip produced by WCH (Nanjing QinHeng Electronics). It's widely used in various devices to provide a cost-effective solution for converting USB signals to serial (RS-232, RS-485, and TTL UART) communication.

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