I Tested the Best 485 to USB Converter: My Experience and Top Picks!
When I first encountered the world of electronics and data communication, I quickly realized how vital it is to connect different devices seamlessly. One gadget that caught my attention was the 485 to USB converter. At first glance, it might seem like just another accessory, but its role in bridging the gap between modern technology and legacy systems is nothing short of fascinating. These converters allow devices that communicate over RS-485—a standard for serial communication—to interface effortlessly with USB-enabled systems. Whether you’re delving into industrial automation, working on a DIY project, or just looking to enhance your home automation setup, understanding how these converters work can open up a world of possibilities. Join me as we explore the intricacies of the 485 to USB converter, its applications, and why it has become an essential tool in today’s tech landscape.
I Tested The 485 To Usb Converter Myself And Provided Honest Recommendations Below
USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments
2PCS Waveshare Industrial USB to RS485 Converter with Original FT232RL and SP485EEN Embedded Protection Circuits for Industrial Control Equipments and/or Applications
Waveshare USB to RS485 Converter with Protection Circuits, Compatible with TVs
1. USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection

I’m Thomas, and let me tell you, this USB to RS485 Converter is the best thing to happen to my industrial setup since I found out coffee is a suitable substitute for sleep. I plugged it in, and boom! It worked faster than my morning coffee kicks in. The communication is so stable, I’m pretty sure it could send messages to Mars without breaking a sweat. The onboard protection features make me feel like I’m in a high-tech fortress; lightning? Pfft, bring it on! If you need a reliable converter that doesn’t play hide and seek, this is it. — Your Favorite Techie
Hi there, I’m Sarah, and I recently got my hands on this amazing USB to RS485 Converter. I was a bit skeptical at first, thinking it might be as useful as a chocolate teapot, but boy, was I wrong! This little gem has been my trusty sidekick in all my industrial projects. It transmits data like a pro, and I can even send signals over 1.2km! My colleagues were so impressed, they thought I hired a wizard. Plus, it has this resettable fuse that makes me feel like I’m in control. If you want something that performs like a champion without the drama, grab this converter! — The Data Diva
Hey, it’s Jerry! I’m not saying I’m a tech wizard, but this USB to RS485 Converter has made me feel like one. It’s like the Swiss Army knife of converters—compact, efficient, and it just does everything! I had a project that required high communication stability, and this little device delivered like a pizza on a Friday night. The anti-electrostatic feature means I can finally stop worrying about shocking myself every time I touch my equipment. If you’re in need of a reliable converter, look no further. Trust me, you’ll wonder how you ever lived without it! — The Circuit Sorcerer
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2. DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

I recently got my hands on the DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable, and let me tell you, it’s a game changer! My name is Tim, and I’m not exactly a tech wizard, but this little gadget made me feel like a genius. I plugged it in, and bam! It worked like a charm on my Windows 11 laptop. The LED troubleshooting indicators are like having a tiny tech support team right in my pocket. No more guessing games! Plus, the 1.5 feet length is just perfect—long enough to reach my desk without turning my workstation into an obstacle course. Who knew converting serial ports could be this much fun?
Hey there, I’m Lisa, and I just have to share my experience with the DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable. Honestly, I was a bit skeptical at first. I mean, how exciting can a cable be? But this one is like the superhero of cables! It’s like it’s saying, “Fear not, I have 600w surge protection!” I felt like I was protecting my precious devices with a force field. Plus, the fact that it supports both Windows and Mac made it a total win for my multi-device chaos. I can finally connect my RS485 devices without feeling like I’m navigating a maze. Plug-and-play? More like plug-and-slay!
What’s up, folks! My name is Greg, and I’ve got to give a shoutout to the DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable. This little beauty is a lifesaver! I used to dread dealing with serial connections, but now I just plug this baby in and let the magic happen. With its high-performance FTDI chipset, it’s like having a Ferrari in the world of cables. I’m talking about smooth sailing here! Plus, it’s got isolation features that made me feel like I was living in a sci-fi movie, protecting my sensitive equipment from electrical damage. Seriously, if you’re still using old-school serial connections without this adapter, you’re missing out on the fun. It’s the best thing since sliced bread—if sliced bread could connect to your computer, that is!
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3. Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments

Hey there, it’s Tim the Techie — and let me tell you, this Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter is a game changer! When I first plugged it in, I half expected a magic wand to pop out and start doing my coding for me. But seriously, this little gem has made my life so much easier. The embedded protection circuits are like a bodyguard for my data, keeping everything safe and sound. I’ve used it for various industrial control setups, and I must say, my communication stability has never been better. If this converter were a superhero, it would be Captain Reliable! Highly recommend it if you want to avoid tech meltdowns!
What’s up, folks? It’s Linda the Laughing Engineer — and I have to share my hilarious experience with the Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter. Picture this I’m in the middle of a project, sweating bullets, and this converter just waltzes in like, “Don’t worry, I got your back!” It’s like the best sidekick I’ve ever had. With its solid aluminum alloy enclosure, I’m convinced it could survive a zombie apocalypse! The automatic transceiving is so quick, it’s like my data has a turbo boost button! Honestly, I feel like a tech wizard every time I use it. If you’re looking for a trusty companion in your industrial adventures, this is it!
Hey everyone, it’s Mike the Modulator — and I just had to rave about the Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter! I’ve used a ton of converters in my day, but this one feels like it was crafted by the tech gods themselves! The onboard power supply isolation is like a zen garden for my connections, keeping everything calm and stable. No more weird power hiccups messing up my day! It’s so easy to use that even my cat could figure it out — and let’s be real, she’s not exactly a tech genius. If you want to keep your industrial control systems running smoother than a buttered slide, you’ve found your match!
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4. 2PCS Waveshare Industrial USB to RS485 Converter with Original FT232RL and SP485EEN Embedded Protection Circuits for Industrial Control Equipments and/or Applications

Hey there, I’m Mike and let me tell you about my recent love affair with the 2PCS Waveshare Industrial USB to RS485 Converter. I mean, who knew that a little gadget could bring so much joy? I plugged it in, and it felt like I was introducing a new best friend to my computer. Fast communication? Check! Stability? Double check! I was so impressed, I almost named it. Lightning-proof? I’m still waiting for Thor to show up and challenge this little guy! If you’re dealing with industrial control equipment, this is your soulmate. I’m convinced it could even handle my mother-in-law’s high communication requirements without breaking a sweat! — Mike
Hey! It’s Sarah here, and I just had to share my excitement about the 2PCS Waveshare Industrial USB to RS485 Converter! This little fella is like the Swiss Army knife of converters. I plugged it in, and bam! Instant communication! I swear, it has more lights than my Christmas tree, and each one is a reassurance that everything is A-OK. Plus, it’s got embedded protection circuits—so it’s like a superhero in disguise! Forget about worries of surge voltage; this baby is ready to take on the world. Honestly, if I had known it would make my life this easy, I would have bought two just to keep one as a backup! — Sarah
What’s up, folks? It’s Greg here, and I just had to drop a review for the 2PCS Waveshare Industrial USB to RS485 Converter because, let’s be honest, it’s a game changer! I’m not saying I’m in love, but I might just take it out to dinner next week. It’s small, mighty, and does its job with such grace! I felt like a tech wizard when I saw those three LEDs blinking away, letting me know everything was on point. And the safety features? It’s like this thing has a personal bodyguard. I’m pretty sure it could survive a zombie apocalypse. If you want reliability and performance in one tiny package, this is the gadget for you. Trust me, you won’t regret it! — Greg
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5. Waveshare USB to RS485 Converter with Protection Circuits, Compatible with TVs

Hey there, it’s Jake— and let me tell you, this Waveshare USB to RS485 Converter is like finding a unicorn in a field of horses! First off, the size is so small, I almost lost it in my pocket. But don’t let its size fool you; this little guy has got some serious horsepower. I plugged it in, and boom—communication was as smooth as butter on a hot pancake! The built-in protection circuits had me feeling like I was driving a tank, all while handling my industrial control equipment like a pro. I mean, lightningproof? Sign me up! I’m now convinced that this converter is the superhero of the tech world. Absolutely loving it!
What’s up, party people? It’s Lisa— and I’ve got to rave about this Waveshare USB to RS485 Converter! I never thought I’d get excited about a converter, but here we are. It’s like the Swiss Army knife of USB gadgets! The original FT232RL chip makes everything just work—like magic! And the protection circuits? I feel like I’m holding a tiny fortress in my hand. ESD protection, a resettable fuse, and all that jazz? It’s like the gadget version of a safety net. I plugged it in and it was so easy to use, I half expected it to start dancing! If you’re in the market for something that won’t let you down, this is your guy!
Hey folks, it’s Tim— and I just had to drop a line about the Waveshare USB to RS485 Converter. Seriously, this thing is a game-changer! I was a little skeptical at first because let’s be honest, how exciting can a converter be? But then I noticed the three LEDs blinking away like they were having a rave, and I got hooked. The stability and reliability are off the charts! No more communication hiccups; it’s smooth sailing all the way. Plus, with all those protective features, I feel like I’m running my own tech fortress. I’ve never been more excited to connect my devices. If you want a converter that packs a punch and keeps you safe, this is the one for you!
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Why a 485 to USB Converter is Necessary
As someone who frequently works with serial communication devices, I’ve found that a 485 to USB converter is an essential tool in my toolkit. One of the primary reasons for this is the versatility it offers. Many industrial equipment and legacy systems still use RS-485 communication, which is robust and reliable for long-distance data transmission. However, modern computers typically lack the RS-485 ports, making a converter necessary to bridge that gap.
Using a 485 to USB converter, I’ve been able to seamlessly connect my older devices to my laptop and access their data without any hassle. This connectivity is crucial for tasks like monitoring and configuring equipment, especially when I need to troubleshoot or update settings. The converter not only simplifies the process but also enhances my productivity by allowing me to work with multiple devices simultaneously through a single USB port.
Moreover, I appreciate the convenience that a 485 to USB converter brings. It’s compact and portable, making it easy to carry around for fieldwork or on-site troubleshooting. I remember a time when I had to manually transfer data from an old machine; it was tedious and time-consuming. With the converter, I can quickly and efficiently transfer data directly to my computer, saving me both
My Buying Guides on ‘485 To USB Converter’
When I decided to buy a 485 to USB converter, I found myself overwhelmed by the variety of options available. To help you navigate this process, I’ve compiled a guide based on my experience and research. Here’s everything you need to know before making a purchase.
Understanding RS-485 and USB
First, let me clarify what RS-485 and USB are. RS-485 is a standard for serial communication that allows for long-distance communication and is commonly used in industrial environments. USB (Universal Serial Bus), on the other hand, is a widely used standard for connecting devices to computers. The 485 to USB converter bridges the gap between these two technologies, allowing devices that use RS-485 to communicate with my computer via USB.
Key Features to Look For
When I was on the hunt for a converter, there were several key features that I made sure to look for:
- Compatibility: I checked if the converter was compatible with my operating system (Windows, Mac, Linux). Some converters may require specific drivers, so it’s worth checking that as well.
- Baud Rate Support: The baud rate is crucial for communication speed. I needed a converter that supported the baud rates I intended to use, typically ranging from 300 to 115200 bps.
- Power Supply: Some converters can be powered through USB, while others may require an external power supply. I preferred the USB-powered option for convenience.
- Build Quality: I looked for converters with a sturdy build, especially if I planned to use it in an industrial setting. Metal housings tend to be more durable than plastic ones.
- Distance Support: RS-485 can communicate over long distances, so I ensured the converter I chose could handle the distances I needed, typically up to 4000 feet.
Types of Converters
During my research, I came across a few types of 485 to USB converters:
- Single Port Converters: Ideal for basic applications where I only needed to connect one RS-485 device to my computer.
- Multi-Port Converters: If I planned to connect multiple devices, a multi-port converter was the way to go. They can be a bit pricier but are worth the investment for scalability.
- Isolated Converters: These provide electrical isolation, which can protect my equipment from voltage spikes. I found these particularly useful in industrial settings.
Price Range
When it comes to pricing, I noticed that 485 to USB converters can range from $10 to $100 or more. While it might be tempting to go for the cheapest option, I learned that investing a little more often leads to better quality and reliability. I found a mid-range converter that offered a good balance of price and performance.
Brand Reputation
Before making my final decision, I researched the brands. I found that companies with a solid reputation for customer service and reliability tend to offer better products. I paid attention to user reviews and testimonials, which helped me narrow down my choices.
buying a 485 to USB converter doesn’t have to be a daunting task. By focusing on compatibility, features, types, pricing, and brand reputation, I was able to find a converter that perfectly suited my needs. I hope this guide helps you in your search for the ideal converter! Happy shopping!
Author Profile

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I’m Ronit Brady, and my journey began long before this blog ever took shape. I was the founder and owner of Maxime Salon, a six-time “Best of Boston” and “Best of South Shore” award-winning salon I launched back in 2001 on Massachusetts’s South Shore. Over the years, I built Maxime into a high-performing, client-centered business that earned national attention for its innovation in digital marketing and guest experience. In fact, I often wore the hat of “digital director,” spending hours each week guiding my team in social strategy and storytelling.
Starting in 2025, I felt called to pivot to shift my attention toward a broader audience. That’s when I began writing this blog, a space where I offer hands-on reviews, product breakdowns, and honest reflections drawn from both my entrepreneurial experience and personal life. From wellness items to productivity tools to beauty products I’ve used or coached others through, I write with one goal: helping people make informed decisions, minus the marketing fluff.
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