🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★œ
Price
$56.99
Industrial USB to RS485 Converter Adapter with Original CH343G and SP485EEN, Built-in Lightningproof Tube, Resettable Fuse, ESD and TVS Protection Circuits, up to 1.2km RS485 Transmission Distance — image 1
Serial AdaptersWaveshare✓ In stock

Industrial USB to RS485 Converter Adapter with Original CH343G and SP485EEN, Built-in Lightningproof Tube, Resettable Fuse, ESD and TVS Protection Circuits, up to 1.2km RS485 Transmission Distance

★★★★★
$56.99
Worldwide shipping
Fast tracked delivery
30-day returns
Hassle-free returns
Secure checkout
Safe & protected
Great service
Thousands of happy customers
About this item
  • 【USB TO RS485 Bidirectional Converter】lndustrial grade converter support USB to RS485 bidirectional conversion, onboard original CH343G and SP485EEN chips, fast communication, stable and reliable, better compatibility
  • 【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 300bps ~ 3Mbps, the transmission distance is about 1.2km for RS485, and about 5m for USB
  • 【Multi-Protection Circuits】Onboard lightningproof tube, resettable fuse, ESD and TVS protection circuits, etc.
  • 【Multi System Support】Supports Mac, Linux, Android, WinCE, Windows 11/10/8.1/8/7/XP, etc.
  • 【Working Status Indicators】Onboard 3 LEDs for indicating the power and transceiver status
Product description

Overview Industrial USB TO RS485 Bidirectional Converter, Onboard original CH343G, Multi-Protection Circuits Features At A Glance 1. Support USB to RS485 bidirectional conversion. 2. Onboard original CH343G chip, CH343G is a USB bus adapter chip, which can convert USB to a high-speed asynchronous serial port, supports automatic identification and dynamic self-adaptation of communication baud rate of 115200bps and below, and provides commonly-used MODEM contact signals to expand asynchronous serial ports for computers. It can upgrade a common serial device or MCU directly to a USB bus. 3. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic. 4. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance. 5. 3 LEDs for indicating the power and transceiver status. 6. Supports Mac, Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc. 6. Fast communication, stable and reliable, better compatibility. Specifications 1. USB 1) Operating voltage: 5V 2) Connector: USB-A 3) Protection: 200mA self-recovery fuse, ESD protection 4) Transmission distance: about 5m 2. RS485 1) Connector: screw terminal 2) Pins: A+, B-, GND 3) Direction control: hardware automatic control 4) Protection: 600W lightningproof and surge-suppress, 15KV ESD 5) protection (onboard 120R balancing resistor) 5) Transmission distance: about 1.2km(low rate) 6) Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) Package Content 1. USB TO RS485 (B) x1 2. USB-A male to female cable x1 3. Screwdriver x1 Development Resources https://www.waveshare.com/wiki/USB_TO_RS485_(B)?amazon

Product details
Brand
Waveshare
Manufacturer
Waveshare
Colour
Black
Weight
0.07 kg
Model number
USB to RS485 Converter B
Part number
USB to RS485 Converter B
EAN
0790885234255

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
See all reviews →
S
Sigalit
đŸ‡źđŸ‡± · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇩đŸ‡ș · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

You might also like

Similar items

View all →