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1PCS Optically Isolated USB to TTL Serial Port Module, CH340 UART 5V 3.3V Isolated USB to Serial Converter
- Built with optical isolation design, effectively isolates circuit interference and protects backend equipment.
- Adopts high-performance CH340 chip, stable UART serial communication with strong compatibility.
- Supports dual voltage 5V and 3.3V output, fits most MCU, embedded and circuit debugging scenarios.
- Converts USB signal to TTL serial port, plug-and-play, no complicated driver setup required.
- Compact module layout, easy wiring and installation, ideal for industrial and DIY electronic projects.
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This optically isolated USB to TTL serial port module uses the reliable CH340 UART control chip, realizing stable conversion from USB interface to TTL serial signal. The built-in optical isolation circuit effectively suppresses static interference and voltage surge, greatly improving system stability and safety. It supports 5V and 3.3V voltage level switching, compatible with most single-chip microcontrollers, development boards and serial device communication. Small in size and simple to use, it is widely suitable for program downloading, serial debugging, industrial communication and electronic DIY projects.
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- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Aomoproging Return Policy
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