# RS485 Shield

**Type:** Product page · **SKU:** DFR0259 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/rs485-shield-11693.html ([markdown](https://core-electronics.com.au/rs485-shield-11693.html.md))

RS485 is an industrial standard for long distance, anti-interferrence and reliable communication. So we create this RS485 shield, especially designed for the Arduino controller board. It can easily convert UART/Serial protocol to RS485 protocol. This board allows Arduino access to industrial standard protocol easily.

## Pricing

- **Price:** $15.60 (inc GST) — $14.18 AUD, exc GST
- **Quantity discounts:** 6+ $13.47 (exc GST) · 12+ $12.91 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Sep 03 and Sep 07.

## Description

RS485 is an industrial standard for long-distance, anti-interference, and reliable communication. This RS485 Shield is specially designed for Arduino controller boards. It easily converts UART/Serial protocol to RS485 protocol, allowing Arduino to access industrial-standard communication with ease.

- Includes a standard RS485 port, a mini RS485 port, and RS485 headers
- Provides soldering areas to make full use of the available space — convenient for DIY designs
- Switch between automatic mode and manual transmission mode, expanding the range of applications
- Includes a switch to disable the shield when programming the Arduino via Tx/Rx interface
- Gold immersion PCB with long pins on the back to suit most Arduino controllers
 
![](https://core-electronics.com.au/attachments/localcontent/_DSC1093_17798243540.JPG)

### **Specifications**

- Power supply: +5V
- Module size: 55mm x 53mm
- 16 digital I/O ports (including an I2C interface)
- 6 analog I/O ports and power
- Operation and programming mode switch
- Automatic and manual transceiver mode switch (in manual mode, the enable pin is the 2nd digital I/O port)
- Transceiver indicator LED
- Standard RS485 interface, mini RS485 interface, and RS485 pin headers
- Soldering area
- Reset switch
- PH2.0 sensor interface for DFRobot RS485 series sensors, such as the [URM04 Ultrasonic Sensor](https://core-electronics.com.au/urm04-v2-0-ultrasonic-sensor.html)
 
### **Documents**

- [Wiki Documentation](https://wiki.dfrobot.com/Arduino_RS485_Shield_SKU__DFR0259)
 
### **Parts List**

- RS485 Shield ×1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0259.jpg)