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Serial Port Module UART USB to 4 Way TTL FT4232 Chip DC 5V Converter Board for Equipment 1 x USB to 4 Way TTL Module
Use a USB cable to connect the computer to the MICRO-USB interface on the board. After the driver is installed on the computer you can see 4 COM ports appear. Use the short-circuit cap to select the desired VCC/TX/RX voltage on the TTL power...
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