USB Port Converter Module with CH341A chip provides USB to serial and parallel port conversion. Ideal for serial port expansion, I2C EEPROM, SPI FLASH programming, and STC microcontroller debugging. Onboard status indicators and selectable 3.3V/5V output ensure compatibility with various devices

Connect the module to your computer via USB. Install the CH341A driver. Select voltage level (3.3V or 5V) using the onboard jumper. Use supported interfaces (UART, I2C, SPI) for data transfer or programming. The LED indicators show real-time communication status

Specification

Item Type: USB Port Converter Module

Support Parallel Port: Support USB to printer parallel port and EPP or MEM parallel port

Support Serial Port: Support USB to UART, I2C, SPI interface

Output Voltage: Output voltage and level signal can choose 3.3V or 5V

Onboard UART and SPI or I2C working status indicator

Color: Blue

Size: 6*2.6cm(2.36*1.02in)

Package List

1 x USB Port Converter Module

Multi-Protocol Conversion: This USB conversion module supports USB to UART IIC SPI TTL ISP EPP MEM protocols with CH341A chip for versatile connectivity
Dual Voltage Output: Selectable 3.3V or 5V output with onboard indicators for real-time signal monitoring during programming
Broad Compatibility: Compatible with STC microcontrollers and multiple interface standards for data acquisition and debugging
Compact Design: The size of this USB converter adapter measures 6x2.6cm with integrated status LEDs for portable work space efficiency
Complete Package: You will receive 1pc USB converter module ready for immediate use in electronic projects and development