---
product_id: 313980884
title: "Waveshare USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection"
brand: "waveshare"
price: "€ 27.62"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/313980884-waveshare-usb-to-rs485-converter-industrial-adapter-original-ft232rl-sp485een
store_origin: IT
region: Italy
---

# Fast Communication 1.2km Range Embedded Protection Waveshare USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection

**Brand:** waveshare
**Price:** € 27.62
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** Waveshare USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection by waveshare
- **How much does it cost?** € 27.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/313980884-waveshare-usb-to-rs485-converter-industrial-adapter-original-ft232rl-sp485een)

## 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

- • **Robust Protection:** Equipped with onboard TVS and resettable fuse for ultimate safety.
- • **Unmatched Stability:** Experience seamless communication with the original FT232RL and SP485EEN chip.
- • **High-Speed Performance:** Enjoy transmission rates from 300 to 921600bps for all your industrial needs.
- • **Versatile Compatibility:** Supports a wide range of operating systems including Win11/10/8.1/8/7/XP.
- • **Long-Distance Transmission:** Achieve reliable data transfer over 1.2km with ease.

## Overview

The Waveshare USB to RS485 Converter is an industrial-grade adapter featuring original FT232RL and SP485EEN chips, designed for high-stability communication in demanding environments. With advanced protection circuits, it ensures safe operation while supporting long-distance data transmission up to 1.2km. Compatible with multiple operating systems, this converter is perfect for industrial control applications.

## Description

USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection

## Features

- Industrial USB to RS485 bidirectional converter with original FT232RL and SP485EEN chip. Due to its stable communication, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic.
- Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance.
- Transmission distance up to 1.2km--- The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300-921600bps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.
- Multi system Support: Supports Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B081MB6PN2 |
| Best Sellers Rank | #6 in Serial Adapters #1,556 in Computer Cables & Interconnects |
| Brand | waveshare |
| Color | FT232RL Version |
| Customer Reviews | 4.6 4.6 out of 5 stars (430) |
| Date First Available | November 18, 2021 |
| Item Dimensions LxWxH | 1.2 x 0.7 x 0.11 inches |
| Item Weight | 2.82 ounces |
| Item model number | Industrial USB to RS485 Converter |
| Manufacturer | Waveshare |
| Number of USB 2.0 Ports | 1 |
| Product Dimensions | 1.2 x 0.7 x 0.11 inches |

## Product Details

- **Compatible devices:** PC
- **Specific uses for product:** PC
- **Connector type:** USB Type A
- **Colour:** FT232RL Version
- **Item dimensions L x W x H:** 30 x 18 x 3 millimeters

## Images

![Waveshare USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection - Image 1](https://m.media-amazon.com/images/I/71yNeQMaSIL.jpg)

## Questions & Answers

**Q: Do you need a driver for this?**
A: Hi,Yes, you can get the Driver installation  from our wiki link:
https://www.waveshare.com/wiki/USB_TO_RS485

**Q: Connecting to a conductivity system (analog eval-cn0359-eb1z) power led comes on, yet neither transceiver led. are drivers needed? can i test system?**
A: Hi,please check this way:
1) Disconnect the connection with analog eval-cn0359-eb1z first, send data to the host computer, and check whether TXD is on.
2) Try to test another USB port .
3) Change to another host computer and check whether the TX or RX lights are normal.

**Q: I need this to control the “iot relay”, but since the usb ports are always powered, how can i control the on/off effect with this usb adapter?**
A: This is a RS485 serial port adapter, the serial port is always on.  If you have a RS485 relay module, the module will alway be on to, that module will control a relay, that it turns on and off by command over the RS485 serial connection.

**Q: Will this work with the usb 2.0 on an rpi 3b? currently, when i hook plug it in, the os finds the adapter but then crashes the rs485 bus.**
A: Hi,it can work with the usb 2.0 on an rpi 3b.
If it is crushed ,it can be caused by low electricity

## Frequently Bought Together

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-25*