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โก Power your connections with unstoppable reliability!
The Waveshare Industrial USB to RS485 Bidirectional Converter features the original CH343G chip for fast, stable communication. Equipped with multi-protection circuits including TVS, resettable fuse, and protection diodes, it ensures lightning-proof, anti-electrostatic, and over-current/voltage safe operation. Its 3 LED indicators provide real-time status updates, making it ideal for professional setups like solar inverters and Raspberry Pi integrations.






| ASIN | B0B879M2KT |
| Best Sellers Rank | 6,145 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 190 in Adapters |
| Brand | Waveshare |
| Brand Name | Waveshare |
| Colour | USB TO RS485 (B) |
| Compatible Devices | Personal computer |
| Compatible devices | Personal computer |
| Connector Type | RS485, USB Type A |
| Connector type | RS485, USB Type A |
| Current Rating | 1 Amps |
| Customer Reviews | 4.5 out of 5 stars 133 Reviews |
| Finish type | Matte |
| Input Voltage | 12 Volts |
| Item Weight | 0.08 Kilograms |
| Manufacturer | Waveshare |
| Manufacturer Part Number | USB TO RS485 (B) |
| Model Number | USB TO RS485 (B) |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Product Finish Type | Matte |
| Specific Uses For Product | USB |
| Specific uses for product | USB |
| Unit Count | 1.0 count |
R**N
Connecting Solar Assistant to an inverter.
I used this to connect my Solar Assistant, to a Growatt inverter. It worked instantly, and was exactly what was required. I stupidly tried a different one first that didn't work, but this one works perfectly.
M**S
Great for Solar Assit5
Great product. No issues conecting my Growatt SPH inverter or my Raspberry PI.
M**S
Worls as intended
No issues, simple install
L**E
Does the job RS485 half duplex adaptor
Works well, nice and compact to chuck in laptop bag.
A**R
Does the job
Used it to connect a Raspberry pi to a ET112 energy meter. Works perfect
A**S
Works out of the box
I brought this item and used with Windows 11 & Modscan. Worked straight out of the box with no manual driver configuration necessary. Used to read values from a Carlo Gavazzi EM21 electricity meter. Very good value for money
D**L
RS485
Good product and good seller. The product is new as described and comes in time. Thank you!
P**H
Worked no problem. No drivers needed on win11
Works fine for me. If using with a laptop (no common ground) make sure you do connect a common ground as well as A % B
K**K
Beseitigt Verbindungsprobleme sofort โ Zuverlรคssige Industriequalitรคt!
Nachdem ich mich zuvor mit zwei gรผnstigen Billiglรถsungen herumgeรคrgert hatte, die stรคndig zu Verbindungsabbrรผchen fรผhrten, habe ich schlussendlich zu diesem Adapter von Waveshare gegriffen. Was soll ich sagen: Damit habe ich endlich eine absolut stabile und dauerhafte RS485-Verbindung fรผr meine Heidelpay Wallbox in Kombination mit evcc hinbekommen! Seit dem Einstecken lรคuft die Kommunikation ohne jegliche Zicken oder Aussetzer im Hintergrund durch. Der eingebaute CH343G-Chip verrichtet in Verbindung mit der RS485-Schutzbeschaltung hervorragende Arbeit. Man merkt sofort, dass hier echte Industriequalitรคt verbaut ist und kein billiger Nachbau. Wer seine Wallbox oder andere empfindliche Systeme sauber auslesen und steuern mรถchte, sollte sich den รrger mit No-Name-Adaptern sparen und gleich zu diesem Modul greifen. Volle 5 Sterne und eine klare Empfehlung!
B**R
Functions as it should
For the price it works great. Donโt lose the mini screwdriver though.
Y**S
Buen producto
Excelente producto
F**K
Eenvoudige usb to RS485 converter werkt direct
Eenvoudige usb to RS485 converter werkt direct
D**O
Usato per test modbus e funziona benissimo
Ottimo
Trustpilot
1 month ago
3 weeks ago