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DFRobot

DFRobot RS485 Shield for Arduino

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Shield for Arduino for everyday users

The DFRobot RS485 Shield for Arduino by DFRobot is a value-for-money shield for arduino designed for everyday users. It features Item Type: RS485 Shield and Model No. / Name: DFR0259.

₹1,491
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Total: ₹1,491
Buying tip: A well-rounded choice at a fair price. Recommended for most buyers.
Estimated delivery: 21 Aug4 Sept
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Quick Specs

Item Type: RS485 Shield
Model No. / Name: DFR0259
Microcontroller: Compatible with Arduino Uno
Additional Specs.: RS485 to UART Conversion, Auto/Manual Transceiver Switch, Reset Switch, DIY Welding Area
Compatibility: Arduino boards
Input Voltage (V): 05

Ideal For

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SKU: robu-2863995Category: Shield for Arduino

About This Product

The DFRobot RS485 Shield for Arduino by DFRobot is a value-for-money shield for arduino designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Item Type: RS485 Shield
  • Model No. / Name: DFR0259
  • Microcontroller: Compatible with Arduino Uno
  • Additional Specs.: RS485 to UART Conversion, Auto/Manual Transceiver Switch, Reset Switch, DIY Welding Area
  • Compatibility: Arduino boards
  • Input Voltage (V): 05 — works with standard household power
  • Length (mm): 53
  • Width (mm): 53

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

The DFRobot RS485 Shield for Arduino is a reliable and versatile communication interface designed to integrate Arduino boards into industrial environments. It converts UART to RS485, allowing long-distance and noise-resistant serial communication. Equipped with standard and mini RS485 ports, welding area for DIY extensions, and switchable auto/manual transceiver modes, it is ideal for building automation, sensor interfacing, and industrial monitoring. Designed specifically for Arduino Uno, this shield supports convenient programming, thanks to an onboard block/enable switch. With gold immersion PCB and transceiver indicator LEDs, it ensures stable operation in demanding conditions.


Features:

  1. RS485 to UART protocol conversion
  2. Auto and manual transceiver switching
  3. Compatible with Arduino Uno and similar boards
  4. Standard RS485, mini RS485, and header interfaces
  5. Dedicated welding area for DIY customization
  6. Onboard reset switch and operation mode switch
  7. Gold immersion PCB with long pins
  8. LED indicators for transceiver status

Package Includes:

1 x DFRobot RS485 Shield for Arduino

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.