Product DescriptionUSB TO I2C IIC UART TTL Adapter Converter For CH341T WIN7Feature:USB 2.0- standard USB-A male connectorComputer USB interface power supply directly-the simulation standard serial port is used to upgrade the original serial peripheral equipment- or increased through the USBSupport 3.3V and 5V TTL target system-be fully compatible for serial port application of WindowsSupport for