---
product_id: 558279579
title: "Waveshare Industrial USB to 4CH TTL Converter USB to UART with Multi Protection Circuits Multi Systems Support"
brand: "waveshare"
price: "₩75247"
currency: KRW
in_stock: true
category: "Waveshare"
url: https://www.desertcart.kr/products/558279579-waveshare-industrial-usb-to-4ch-ttl-converter-usb-to-uart
store_origin: KR
region: South Korea
---

# 4 independent UART channels 3.3V/5V TTL voltage switch Multi-layer surge & ESD protection Waveshare Industrial USB to 4CH TTL Converter USB to UART with Multi Protection Circuits Multi Systems Support

**Brand:** waveshare
**Price:** ₩75247
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your projects with industrial-grade USB to UART mastery!

## Quick Answers

- **What is this?** Waveshare Industrial USB to 4CH TTL Converter USB to UART with Multi Protection Circuits Multi Systems Support by waveshare
- **How much does it cost?** ₩75247 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/558279579-waveshare-industrial-usb-to-4ch-ttl-converter-usb-to-uart)

## Best For

- waveshare enthusiasts

## Why This Product

- Trusted waveshare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged Elegance:** Durable aluminum alloy enclosure with CNC precision and fool-proof connectors for professional-grade reliability.
- • **Bulletproof Safety:** Built-in resettable fuses and protection diodes shield your devices from over-current and voltage spikes.
- • **Voltage Flexibility:** Easily toggle between 3.3V and 5V TTL levels to perfectly match your system requirements.
- • **Surge & ESD Fortress:** Onboard IO protection circuits ensure stable, shock-resistant communication even in harsh industrial environments.
- • **Quad-Channel Powerhouse:** Simultaneously manage 4 UART connections with hardware flow control for seamless multitasking.

## Overview

The Waveshare Industrial USB to 4CH TTL Converter delivers robust, multi-channel UART communication with advanced hardware flow control and comprehensive protection circuits. Designed for demanding industrial and office environments, it features selectable 3.3V/5V TTL levels, a durable aluminum enclosure, and fool-proof connectors, ensuring reliable, safe, and efficient serial data transfer across multiple devices.

## Description

Buy

## Features

- Extending USB to 4CH TTL (UART) with hardware flow control, allows concurrent and independent communication for each channel Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof,
- Onboard IO protection circuit for surge suppress and ESD protection, safe and stable communication Onboard TTL serial port 3.3V and 5V voltage level switch, allows selecting TTL level.
- Aluminium alloy enclosure with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted Quality USB-B connector, and IDC connector with fool-proof design.
- Onboard Resettable Fuse And Protection Diode, Provides Over-Current/Over-Voltage Proof, Improves Shock Resistance; Onboard IO Protection Circuit For Surge Suppress And ESD Protection, Safe And Stable Communication.
- Suitable For Industrial/Office Conditions With Strict Requirements For Operating Environment And Devices.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09SZ33J9H |
| Best Sellers Rank | 125,401 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 266 in Barebone PCs |
| Brand Name | Waveshare |
| Colour | Black |
| Compatible Devices | PC, Laptops, Printers |
| Connector Type | USB-B, 6PIN fool-proof header |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (20) |
| Input Voltage | 5 Volts |
| Item Weight | 0.2 Kilograms |
| Manufacturer | Waveshare |
| Manufacturer Part Number | USB TO 4CH TTL |
| Model Number | USB TO 4CH TTL |
| Nominal Power | 10 Watts |
| Number of Items | 1 |
| Number of Ports | 4 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Product Finish Type | Dull-polish |
| Unit Count | 1.0 count |
| Warranty Type | Limited |

## Product Details

- **Brand:** Waveshare
- **Colour:** Black
- **Compatible devices:** PC, Laptops, Printers
- **Connector type:** USB-B, 6PIN fool-proof header
- **Finish type:** Dull-polish

## Images

![Waveshare Industrial USB to 4CH TTL Converter USB to UART with Multi Protection Circuits Multi Systems Support - Image 1](https://m.media-amazon.com/images/I/715uYuCo9VL.jpg)

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**Shop now:** [https://www.desertcart.kr/products/558279579-waveshare-industrial-usb-to-4ch-ttl-converter-usb-to-uart](https://www.desertcart.kr/products/558279579-waveshare-industrial-usb-to-4ch-ttl-converter-usb-to-uart)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-10-04*