AYASOSO

CH9329 Serial to USB HID Module, UART to Standard USB Keyboard/Mouse Device Converter for Embedded and Automation Projects

Name: CH9329 Serial to USB HID Module, UART to Standard USB Keyboard/Mouse Device Converter for Embedded and Automation Projects
Brand: AYASOSO
SKU: B0GTYMVXMH
Price: 7.74 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-21

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$7.74

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*Price sourced from Amazon.com. Last updated 2026-08-15. Price and availability subject to change.

Bottom line: The CH9329 Serial to USB HID Module, UART to Standard USB Keyboard/Mouse Device Converter for Embedded and Automation Projects is a specs-and-price decision rather than a crowd-consensus one in the keyboards & mice category, priced around $7.74. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Backed by AYASOSO's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

This serial-to-HID keyboard and mouse module uses the CH9329 chip. Users can send commands to the module via serial port, and the module converts these commands into HID reports and sends them to the computer. Users do not need to learn complex HID mouse and keyboard protocols, reducing development difficulty. This module supports four functions simultaneously: a USB keyboard with standard and multimedia keys, and a USB mouse with relative and absolute mouse functions. It can implement all the functions of a USB keyboard and USB mouse.1. Supports 12Mbps full-speed USB transmission…

SpecPicks Verdict

SpecPicks scored CH9329 Serial to USB HID Module, UART to Standard USB Keyboard/Mouse… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the keyboards & mice category. AYASOSO's keyboards & mice lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

Serial to USB HID Conversion – Effortlessly converts UART serial communication into standard USB HID keyboard or mouse signals, enabling easy integration with computers and embedded systems.
Plug and Play Functionality – No drivers required; supports instant recognition as a USB keyboard or mouse by most operating systems, including Windows, macOS, and Linux.
Flexible Application Support – Ideal for automation, custom control interfaces, barcode scanners, industrial equipment, and DIY electronics projects.
Reliable Performance – Built with the CH9329 chipset for stable operation, fast response, and compatibility with a wide variety of devices.
Compact & Easy to Integrate – Small form factor for easy installation in embedded systems, panels, or enclosures; simple wiring for quick setup.

Full Specifications

Brand	AYASOSO
Connectivity	USB
Compatibility	Mac, Linux
Package Dimensions	‎7.87 x 3.94 x 1.18 inches

Ready to buy?

CH9329 Serial to USB HID Module, UART to Standard USB Keyboard/Mouse Device Converter for Embedded and Automation Projects is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-15. Price and availability subject to change.