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Waveshare USB to TTLUART Communication Module, Micro-USB Connector, Compatible with Mac, Linux, Android, Windows 7/8/8.1/10/11

Item #: 9SIVAMDM9A5781
Mfr. Part #: 69044406295

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Supports Mac, Linux, Android, Windows 7/8/8.1/10/11. Adopts double-sided black immersion gold process, which is durable and has a good look

Overview

Specs

Reviews

Adopts new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V)
Supports Mac, Linux, Android, Windows 7/8/8.1/10/11. Adopts double-sided black immersion gold process, which is durable and has a good look
Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance
Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level
Support 3.3V/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly)

Additional Information
First Listed on Newegg	October 23, 2026

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Warranty, Returns, And Additional Information

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Return for refund within: 30 days
Return for replacement within: 30 days
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Item#: 9SIVAMDM9A5781