Supports 2-ch high-speed UART interfaces, up to 9Mbps baud rate, with CTS and RTS hardware automatic flow control. Supports 1-ch I2C interface, for easy operating EEPROM through the host computer or programming I2C devices such as OLED and sensor Aluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted. To UART/I2C/SPI/JTAG Converter Software Waveshare - Convertidor USB A UART/ I2C/SPI/JTAG, Compatible Con Múltiples Interfaces, Compatible Con 3.3 V Y 5 V, Soporte Para Múltiples Sistemas, Compatible Con Linux (solo Para Raspberry Pi Features USB to UART/I2C/SPI/JTAG Converter. Comes with Online Tutorial Usage Guide and Online Development Resource, Please check: n9., cl/xqxrz Package Content USB TO UART/I2C/SPI/JTAG x1 USB type A to type B cable ~1., 2m x1 12PIN cable ~20cm x1 6PIN cable ~20cm (2PCS) x1 USB to UART/I2C/SPI/JTAG Converter. Elektronik Debugging Tool USB Zu UART/I2C/SPI/JTAG Konverter - Alu-Gehäuse, 3.3V/5V, Kompatibel Mit Win/Linux UART I2C SPI JTAG Interface 3.3V 5V PC Anbindung Comes with Online Tutorial Usage Guide and Online Development Resource, Please check: n9., cl/xqxrz Onboard resettable fuse and ESD protection circuit, provides over-current/over-voltage proof, safe and stable communication. High-quality USB-B and DC connectors, smooth plug & pull, durable and reliable, with anti-reverse protection. Supports USB to 2-ch UART, or USB to 1-ch UART + 1-ch I2C + 1-ch SPI, or USB to 1-ch UART + 1-ch JTAG., Supports Win7/8/8., 1/10/11, Linux, etc.