🔌 Seeed Studio RS-485 Breakout Board for XIAO
The RS-485 Breakout Board from Seeed Studio is a powerful and flexible expansion module designed specifically for all XIAO development boards . 🧩⚙️
⚙️ Features
-
🧠 TP8485E Transceiver IC Converts UART serial data into RS-485 signals with high efficiency.
-
🔁 Half-Duplex Communication Supports unidirectional data transmission over distances up to 1200 meters — perfect for long-range applications.
-
⚡ Wide Voltage Support Operates on a single 5V or 12VDC power source for easy integration.
-
🔧 3-Pin Terminal Output Simplifies wiring for both signal and power connections.
📡 Built for Demanding Environments
This breakout board is engineered for robust data transmission in:
-
🌐 Large-scale deployments
-
🔊 High-noise environments
-
🏭 Industrial and embedded systems
Its compact design and reliable performance make it an ideal choice for developers needing stable RS-485 communication across extended distances.
Feature
-
🤝 Seamless XIAO Compatibility Fully designed to work effortlessly with Seeed Studio XIAO development boards — plug, connect, and go!
-
📡 Long-Distance Communication Supports RS-485 data transmission up to 1200 meters (≈ 3973 feet) — perfect for remote or industrial applications.
-
⚡ Wide Voltage Support Operates reliably with both 5V and 12V power supplies for flexible integration.
-
🔌 Dual 3-Pin Terminals Equipped with two 3-pin terminals for easy connection of signal lines and power input.
-
📏 Compact & Efficient Design Sized at just 2 XIAO boards, this breakout board is ideal for space-constrained projects and embedded systems.
❓ What is RS-485?
RS-485 is a robust and efficient serial communication standard designed for applications that require:
-
📡 Long-distance transmission
-
🔗 Multipoint connectivity
-
🔊 Strong noise immunity
Thanks to its reliability and flexibility, RS-485 is widely adopted in industrial automation, communication systems, and remote monitoring. 🏭📶
⚙️ How Does RS-485 Work?
RS-485 transmits data using two signal lines (A & B), enabling:
-
🔁 Half-duplex communication
-
🛡️ Excellent resistance to electrical noise
-
🧩 Up to 32 devices on the same bus
-
🆔 Each device has a unique address for accurate data exchange
When paired with the Modbus protocol, RS-485 becomes a powerful tool for efficient device communication and management across complex systems. 🔄📊
🚀 RS-485 with Seeed Studio XIAO
By integrating the Seeed Studio RS-485 Breakout Board with your XIAO development board, you unlock:
-
⚡ High-speed, long-distance communication
-
🧠 Access to the full XIAO ecosystem
-
📦 A compact, plug-and-play solution for industrial and IoT projects
Whether you're building smart factories, sensor networks, or remote control systems, this breakout board delivers the reliability, range, and simplicity
Specification
| Product | Seeed Studio RS-485 Breakout Board |
| Compatibility | Seeed Studio XIAO dev boards, Adafruit QT Py |
| Communication Interface | RS-485 |
| RS485 Chip | TP8485E, half-duplex tranceiver |
| Terminal Connection | 3-pin terminal for signal wire and 3-pin terminal for power |
| Communication Distance | 1200 meters |
| Transmission Speed | 250k bps |
Hardware Overview
- Onboard
Application
-
🤖 Industrial Automation – Real-time control and monitoring of machinery and production lines
-
🌐 Remote Monitoring Systems – Reliable data transmission across long distances for environmental or equipment tracking
-
📊 Data Acquisition Systems – Collecting and processing sensor data for analysis and reporting
-
🔌 Embedded Systems with Serial Communication – Seamless integration into microcontroller-based projects requiring UART/RS-485 connectivity
Part List
| Seeed Studio RS-485 Breakout Board | x1 |