usb to ttl uart module serial converter
USB to ttl with 6pins and chip cp2102

Built-in USB to RS232 Transfer chip. Designed to be used for USB to TTL electronic projects. TTL interface output, easy to connect to your MCU. Status LED. Dual 3.3V and 5V Power output, work with 3.3v and 5v target device. Compact design. V1.0 Package included:1x USB 2.0 To TTL UART 6PIN Module 5x Cable

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Competitive price and top service .