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FT232RL USB to TTL serial converter module realizes seamless conversion between USB and TTL UART signals. It supports 3.3V and 5.5V dual voltage switching, suitable for most single-chip microcomputers, Arduino, routers and electronic maintenance debugging. Adopting high-quality FT232RL main control chip, it delivers stable serial communication, anti-interference ability and long service life. Plug-and-play with simple wiring, widely used in device brushing, program downloading, serial port monitoring and DIY electronic projects.