# USB to RS485 converter

**Type:** Product page · **SKU:** CE09877 · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/usb-to-rs485-converter.html ([markdown](https://core-electronics.com.au/usb-to-rs485-converter.html.md))

Featuring a MAX485 and CH340, this converter will take USB and turn it into an RS485 signal.

## Pricing

- **Price:** $1.80 (inc GST) — $1.64 AUD, exc GST
- **Quantity discounts:** 10+ $1.47 (exc GST) · 50+ $1.39 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 53 today; more stock is typically available with a 8–12 day lead time.

## Description

Your bridge between USB systems and RS485 devices. Designed for any Maker or Engineer, this converter allows for seamless serial communication across various applications.​

If you need wire for a specific application or project - we stock [this CAT5E cable](https://core-electronics.com.au/blue-cat5e-uutp-lan-data-cable-100m.html) (available by the metre), perfect for RS485 that benefits *a lot* from a twisted pair!

**Key Features:**

- **MAX485 Transceiver:** Ensures robust and efficient RS485 communication.​
- **CH340 USB Interface:** Provides a stable USB connection; note that [driver installation](https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers) may be required for certain operating systems.​
- **Terminal block IO:** Interface with your systems using easy-to-use terminal blocks (clear labelling is printed to the silkscreen underneath the terminal blocks).
- **Plug-and-Play:** Simplifies setup with automatic configuration upon connection.
- **Wide Compatibility:** Supports various operating systems, including Windows, macOS, and Linux.​
- **USB-A:** Able to be plugged straight into any USB system.
 
**Technical Specifications:**

- **USB Standard:** Complies with USB 2.0.​
- **RS485 Connector:** Screw terminal for secure connections.
- **Data Transfer Rates:** Supports speeds from 600bps to 115.2Kbps.​
- **Maximum Communication Distance:** Up to 1200 meters at 19.2Kbps.
 
**Note:** This converter does not include a termination resistor. Depending on your RS485 network configuration, you may need to add one.

*We also stock [a version without an enclosure and a GND connection](https://core-electronics.com.au/usb-to-rs485-ft232.html).*

### Resources

- [Texas Instruments | The RS-485 Design Guide](https://www.ti.com/lit/an/slla272d/slla272d.pdf?ts=1743310796322)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/c/e/ce09877-usb-rs485-adapter.jpg)