

⚡ Stay connected, protected, and ahead of the curve with Waveshare’s USB to RS485 converter!
The Waveshare USB to RS485 Converter combines industrial-grade protection circuits—including lightningproof, resettable fuse, ESD protection, and TVS diode—with a compact design and original FT232RL chipset. It offers fast, stable, and automatic USB to RS485 communication, making it ideal for high-demand industrial control and networking applications, all while providing real-time LED status indicators for effortless monitoring.












| ASIN | B081NBCJRS |
| Best Sellers Rank | #37 in Serial Adapters |
| Customer Reviews | 4.6 4.6 out of 5 stars (349) |
| Date First Available | November 18, 2019 |
| Item Weight | 0.352 ounces |
| Item model number | USB TO RS485 |
| Manufacturer | Waveshare |
| Package Dimensions | 4.13 x 3.23 x 0.98 inches |
S**R
Replaces more expensive interface from manufacturer
Was able to connect to ALC lgr and change IP address for network communication. Works well with Putty software once you setup the software parameters.
D**N
Nice product.. it worked great with my waveshare touchscreen
Great company.. used this in conjunction with different sized touchscreens i ordered.. Worked as described.. company has customer support.
K**H
Works great with a laptop and communicating with Ardruino boards.
Bought this for my teenage son's high school project where his laptop needed to talk to a bunch of Ardruino boards that had RS485 install on them. Worked great and even found Python software libraries that worked.
A**R
Works with Raspberry Pi running falcon player to controll Renard Christmas light controller
Works well. I use it to connect a raspberry pi running falcon player to my Renard TR24 AC Christmas light controller. For that purpose it works well. I cannot speak to any other use of the RS48t protocol, and I only transmit.
M**E
Complacated by need ,Need to understand how to use.
Does its job some instructions wood bee swelll. Other than that.
J**.
Great little RS485 USB, helped me finish my project.
Worked like a charm, easy to hook up. The screw terminals are pretty small, so make sure to keep the screwdriver. I have other tiny screwdrivers, but I like that this came with one, I can just put them away together and not have to go find one when I need it.
D**A
Works great
It's just been working for almost a year now
M**N
👍
OK
S**R
Habe den Adapter gekauft, um den Marstek Venus E Speicher über seine RS485 Schnittstelle auszulesen. Er wird unter Raspbian sofort erkannt und wenn man die PIN-Belegung richtig macht, klappt das Auslesen von Ladestand, etc. problemlos.
B**Y
I used this to connect my Solar Assistant to my Sol-Ark inverter through the RS485 port so I can use both the Sol-Ark app and SA at the same time. It also allows me to keep logging data with Sol-Ark and not lose that data. I made the custom CAT5 cable up by splicing into an old one and it all worked really well.
C**O
L'adattatore svolge egregiamente il compito per cui è stato progettato, ovvero permettere l'interfacciamento verso il bus ModBus. dopo un anno di utilizzo, tutto procede senza errori.
F**7
Utilisé pour communiquer avec un onduleur hybride Deye 8k mono et Home Assistant. Utilisé avec le module complémentaire "Sunsynk or Deye Inverter add-on (multi)" et modbus, j'arrive à récupérer toutes mes informations instantanément en mqtt et j'ai pu créer un switch me permettant de forcer l'activation du port Gen à la demande ou via une automatisation Home Assistant. Ce gongle wifi est stable et de bonne facture. Parfait
S**Y
Excellent Item. Must buy
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