Seeed Studio RS485 Breakout Board for Seeed Studio XIAO Dev Boards
π¦ Location of the warehouse: China
Free Shipping from $50 in the US, $70 for non-continental US
- US Delivery Time: 2~7 Business days.
- Non-Continental US Delivery Time: 3~9 working days.
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
Seeed Studio RS485 Breakout Board for Seeed Studio XIAO Dev Boards
π 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. π§©βοΈ
βοΈ Features
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π§ TP8485E Transceiver IC Converts UART serial data into RS-485 signals with high efficiency.
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π Half-Duplex Communication Supports unidirectional data transmission over distances up to 1200 meters β perfect for long-range applications.
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β‘ Wide Voltage Support Operates on a single 5V or 12VDC power source for easy integration.
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π§ 3-Pin Terminal Output Simplifies wiring for both signal and power connections.
π‘ Built for Demanding Environments
This breakout board is engineered for robust data transmission in:
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π Large-scale deployments
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π High-noise environments
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π 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.
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Feature
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π€ Seamless XIAO Compatibility Fully designed to work effortlessly with Seeed Studio XIAO development boards β plug, connect, and go!
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π‘ Long-Distance Communication Supports RS-485 data transmission up to 1200 meters (β 3973 feet) β perfect for remote or industrial applications.
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β‘ Wide Voltage Support Operates reliably with both 5V and 12V power supplies for flexible integration.
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π Dual 3-Pin Terminals Equipped with two 3-pin terminals for easy connection of signal lines and power input.
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π Compact & Efficient Design Sized at just 2 XIAO boards, this breakout board is ideal for space-constrained projects and embedded systems.
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β What is RS-485?
RS-485 is a robust and efficient serial communication standard designed for applications that require:
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π‘ Long-distance transmission
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π Multipoint connectivity
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π Strong noise immunity
Thanks to its reliability and flexibility, RS-485 is widely adopted in industrial automation, communication systems, and remote monitoring. ππΆ
βοΈ How Does RS-485 Work?
RS-485 transmits data using two signal lines (A & B), enabling:
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π Half-duplex communication
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π‘οΈ Excellent resistance to electrical noise
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𧩠Up to 32 devices on the same bus
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π 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. ππ
π RS-485 with Seeed Studio XIAO
By integrating the Seeed Studio RS-485 Breakout Board with your XIAO development board, you unlock:
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β‘ High-speed, long-distance communication
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π§ Access to the full XIAO ecosystem
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π¦ 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
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Specification
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Product |
Seeed Studio RS-485 Breakout Board |
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Compatibility |
Seeed Studio XIAO dev boards, Adafruit QT Py |
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Communication Interface |
RS-485 |
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RS485 Chip |
TP8485E,Β half-duplex tranceiver |
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Terminal Connection |
3-pin terminal forΒ signal wire andΒ 3-pin terminal for power |
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Communication Distance |
1200 meters |
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Transmission Speed |
250k bps |
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Hardware Overview
- Onboard
Application
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π€ Industrial Automation β Real-time control and monitoring of machinery and production lines
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π Remote Monitoring Systems β Reliable data transmission across long distances for environmental or equipment tracking
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π Data Acquisition Systems β Collecting and processing sensor data for analysis and reporting
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π Embedded Systems with Serial Communication β Seamless integration into microcontroller-based projects requiring UART/RS-485 connectivity
Part List
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Seeed Studio RS-485 Breakout Board |
x1 |
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
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2. Shipping Options & Rates (United States)
(For Products in the US Warehouse & Global Warehouse)
2.1 Continental U.S. (50 States)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 3-7 Business Days |
| USPS Ground Advantage | $5.00 - $50.00 | $5.99 | 3-7 Business Days |
| USPS Ground Advantage | Over $50.00 | Free | 3-7 Business Days |
|
USPS Priority Mail (Faster Option) |
$0.00 - $50.00 | $19.99 | 1-4 Business Days |
| USPS Priority Mail | Over $50.00 | $17.59 | 1-4 Business Days |
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2.2 Non-Continental U.S.
(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)
| Shipping Method | Order Value | Cost | Est. Delivery |
|---|---|---|---|
| USPS Ground Advantage | $0.00 - $5.00 | $9.99 | 5-9 Business Days |
| USPS Ground Advantage | $5.00 - $70.00 | $7.99 | 5-9 Business Days |
| USPS Ground Advantage | Over $70.00 | Free | 5-9 Business Days |
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Important Notice:
- Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
- For products stored in the Global Warehouse (Shenzhen), we will ship them directly from China.
- If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.
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3. Warehouse Locations
Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.
3.1 U.S. Warehouse
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.
3.2 Global Warehouse (China)
Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.
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4. Customs and Taxes
Effective Date: December 10, 2025
At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.
1. Warranty Policy
A. Standard Limited Warranty (Global & US)
For customers in the United States, Asia, and other non-EU regions:
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Warranty Period:Β OpenELAB provides aΒ 12-monthΒ warranty from the date of delivery.
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Coverage:Β This warranty covers defects in material and workmanship under normal use.
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Resolution:Β We will repair or replace defective units at no charge.
B. Statutory Rights for EU/UK Customers (EU Compliance)
If you are a consumer residing in the European Union or the UK purchasing from our global site:
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Statutory Guarantee:Β You are entitled to aΒ 24-month statutory guaranteeΒ for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.
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Relation:Β The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.
C. Warranty Exclusions (Applies to ALL Regions)
Warranty coverage isΒ VOIDΒ if the damage is caused by:
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Misuse:Β Incorrect installation, reverse polarity, or exceeding voltage limits.
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Unauthorized Modification:Β This explicitly includesΒ soldering, cutting pins, modifying the PCB, orΒ flashing unauthorized/beta firmwareΒ that "bricks" the device.
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Physical Damage:Β Drops, moisture/water damage, or electrical surges (lightning).
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Normal Wear & Tear:Β Consumable parts (e.g., batteries), unless defective upon arrival.
Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.
2. Return & Refund Policy
A. Return Window
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Standard:Β You may request a return withinΒ 30 daysΒ of receiving your order.
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EU Customers:Β You have the statutory right to withdraw from the contract withinΒ 14 daysΒ of receipt without giving a reason.
B. Refund Conditions & Restocking Fees
To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.
1. Full Refund (100%)
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The item isΒ Brand New, Unopened, and Unused.
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The original packaging is intact and sealed.
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All accessories are present.
2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct aΒ Restocking FeeΒ (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:
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Signs of Use:Β Visible scratches, mounting marks on screw holes, or fingerprints.
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Damaged Packaging:Β Original box is torn, written on, or missing.
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Technical Modification:Β The device has beenΒ powered on, programmed/flashed, or soldered.
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Broken Seals:Β Anti-static bags or security seals have been opened.
Depending on the severity of the usage/damage, the deduction may range fromΒ 15% to 50%Β of the product price. Items damaged beyond repair due to misuse will not be refunded.
C. Shipping Costs
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Defective / Wrong Item:Β OpenELAB covers the return shipping cost.
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Customer Remorse (Changed Mind / Ordered Wrong Item):Β TheΒ customerΒ is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.
3. Return Process (RMA)
To ensure a smooth return process, please follow these steps:
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Authorization:Β Contact us atΒ info@openelab.ioΒ before returning any item. Returns without prior authorization will not be accepted.
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RMA Number:Β We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.
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Packing:Β Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).
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Tracking:Β We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
