CEMELI
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Relay Module 8 Channels Multifunctional USB Relays Board with at Commands
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Relay Module 8 Channels Multifunctional USB Relays Board with at Commands
Unlock limitless possibilities with our versatile 8 Channel Relay Module featuring multifunctional capabilities and seamless AT command integration!
Relay Module 8 Channels Multifunctional USB Relays Board with at Commands
Item #: 189825082

Relay Module 8 Channels Multifunctional USB Relays Board with at Commands

Item #: 189825082

STD 2761420

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Wednesday, September 30
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Unlock limitless possibilities with our versatile 8 Channel Relay Module featuring multifunctional capabilities and seamless AT command integration!
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Multiple Control Options
This relay module supports USB connectivity and AT commands, allowing versatile control over multiple devices simultaneously, streamlining automation for both hobbyists and professionals.
Robust Design
Built with high-quality components, this 8-channel relay board ensures reliable operation and durability, making it ideal for various applications, from home automation to industrial control.
User-Friendly Interface
Designed for easy setup and integration, this relay module comes with clear documentation and support, making it accessible for beginners while also satisfying the demands of advanced users.

Product Details

Shop Relay Module 8 Channels Multifunctional USB Relays Board with at Commands online at a best price in São Tomé and Príncipe. B0D37R1DW5
Brand NameCEMELI
Part NumberCEMELI
ModelCEMELI
Item Weight50 Grams
Unit Count1.0 Count
ManufacturerCEMELI
BrandCEMELI
Number of Items1
Country of OriginThis item will be imported from US
Date First AvailableJuly 19, 2025
What is in the boxRelay Module 8 Channels... For more details, please check description/product details

Who Should Buy?

Suitable For
  • Home Automation Enthusiasts

    Ideal for users looking to control home appliances remotely via programmable relays and automation scripts.

  • Developers and Hobbyists

    Great for developers seeking to prototype IoT projects that require multiple relay controls with USB connectivity.

  • Industrial Applications

    Suited for small-scale industrial applications needing reliable control of equipment through automation and remote commands.

Not Suitable For
  • Casual Users

    Not suitable for users unfamiliar with programming or electrical systems who prefer plug-and-play solutions.

Product Description

Relay Module 8 Channels Multifunctional USB Relays Board with at Commands

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Customer Questions & Answers

  • Question: What is the maximum delay for the relay using AT instructions?

    Answer: The maximum delay under AT instructions is 9999 seconds.
  • Question: Do I need to purchase additional cables for this relay module?

    Answer: Yes, the USB data cable is not included and needs to be purchased separately.
  • Question: How many relays can be stacked together?

    Answer: You can stack multiple relay modules for expanded functionality and display capabilities.

CEMELI Electromechanical Relays Editorial Review

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23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

STD 2761420

Order now and get it around Wednesday, September 30

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Modular relay with versatile input/output interfaces compatible with various operating systems.
  • Features AT and 8-byte instructions with automatic recognition for ease of use.
  • Supports stacking of multiple relay modules to display various patterns and characters.
  • Equipped with 8 photoelectric isolation input ports for advanced control options.
  • Offers 8 working modes including open, close, jog, self-lock, and interlock.
  • Robust performance with a maximum load of 10A/250VAC, ensuring reliable operation.

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