• MXN$383.90
  • VAT-Inclusive Price
Ships from Hong Kong.
Most customers receive within 10-17 days.
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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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Overview
Specs
Reviews

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.



Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Return for replacement within: non-replaceable
  • This item is covered by YunYunKeJiShiZhuangDian Return Policy
  • *Subject to applicable law
  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

Manufacturer Contact Info

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