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🔌 Power your industrial edge with flawless, lightning-fast serial connectivity!
The Waveshare USB to RS232/RS485/TTL Industrial Isolated Converter features an original FT232RL chipset, embedded protection circuits including power and magnetic isolation, and a durable aluminium alloy enclosure. Designed for high-speed, stable, and reliable communication across multiple serial protocols, it’s the go-to solution for industrial control, automation, and embedded systems requiring robust, plug-and-play connectivity.
















| ASIN | B07L2VLY5D |
| Brand | waveshare |
| Color | USB TO RS232/485/TTL |
| Compatible Devices | Devices with RS232, RS485, or TTL interfaces |
| Connector Type | USB Type B |
| Customer Reviews | 4.6 out of 5 stars 270 Reviews |
| Finish | Metallic |
| Finish Type | Metallic |
| Input Voltage | 5 Volts |
| Item Weight | 50 Grams |
| Manufacturer | Waveshare |
| Mfr Part Number | USB TO RS232/485/TTL |
| Model Number | USB TO RS232/485/TTL |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | Serial communication, industrial automation, embedded systems, data acquisition, robotics |
| UPC | 778365986580 614961953574 |
| Unit Count | 1.0 Count |
J**P
worked as described
Works great, I have a few of these for the crew, we use them to connect to Trane chillers.
K**S
My favorite piece of Waveshare gear. This works great!
This is probably my favorite ever USB to 485 converter - including compared to $$$ units from BlackBox and similar 'pro' suppliers. It has been 100% reliable, 0 issues. It works. It just works.
B**C
Rock solid performance.
Used this to integrate Generac with Genmon on a Raspberry Pi.
D**1
Great for testing Modbus communication.
I use this for testing Modbus/RS-485 communication from different controllers. I recommend this for anyone interested in verifying comms for their different devices
A**R
Good product.
Good product.
J**A
Removable term resistor, stays connected
Use it for USB to RS485. Less chances of usb being inadvertently disconnected compared to the thumb drive style unit. Nice to be able to remove the 120 ohm terminating resistor
D**S
Nice isolated USB to TTL (and other) port interface
Needed a way of connecting to a 3.3V CMOS serial port on an STM32 based board without causing a ground loop with another computer connected to another serial port on the same board. Did the job.
C**T
Feature-loaded with ground isolation, self-powered from USB and a combination of interfaces
Amazing that for this price you get true isolation. i.e. avoids problems with ground loops / ground level shifts between devices. I opened the case and looked at the circuit board, it has a DC-DC isolator for the power as well as the expected isolation barrier for the signals. The board had a very clear cut-out / clearance trench where the isolation is from the USB side over to the serial connector side. (the serial connectors RS-232/RS-485 are not isolated from each other, but that is fine since it is only intended to use one of those at a time. The point is that this is a USB host to serial adaptor, so the USB/PC is isolated.) Besides that, the FTDI USB/serial port chipset is pretty easy to install in Windows (Microsoft recognizes and automatically downloads driver.) So far all 3 interfaces (RS-232, RS-485, TTL, all worked well for me.) I expect to use TTL for devices like Raspberry Pi that doesn't bother with transceivers.
B**H
Doet wat het moet doen
Werkt perfect. De TTL keuze tussen 5 en 3,3 Volt is handig.
E**C
Parfait et solide
Parfait! Je l'ai utilisé pour investiguer sur des trames modus rs485. Solide et fonctionne à chaque fois!
C**!
Worked out of the box on Windows 10
I ordered this because my previous usb to "rs232" cable didn't actually have true rs-232 voltage levels, I needed it in order to program a curtis golf-cart motor controller... As soon as I plugged in this Waveshare box, worked instantly! Windows 10 found the driver on it's own, and within mere minutes of unboxing; I was in business programming a motor controller for a local guy who had a broken down mobility scooter. The box housing seems really high quality I feel, and its heavy too which I like about it. A+ Waveshare!
A**R
Fungerade perfekt!
Inga drivrutiner behövdes installeras i Win 10 & 11. Stabil funktion på RS485. Kvalitetskänska.
M**Z
perfecto.
excelente
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