USB Port Converter Module CH341A 3.3V/5V Serial Parallel To UART IIC SPI TTL ISP

Feature: 1. SUPPORT SERIAL PORT AND PARALLEL PORT: CH341A conversion module is equipped with CH341A chip, which is a USB bus transmission chip. Providing asynchronous serial port, printing port, parallel port, and commonly used 2 wire and 4 wire synchronous serial ports through USB bus.

eBay