2PCS 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino
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2PCS 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino
This Relay Board provides a single relay that can be controlled by any 12V digital output from your microcontroller.
2PCS 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino
Artigo n.º: 62702750

2PCS 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

Artigo n.º: 62702750

STD 643195

Price Details

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*All items will import from EUA

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EUA Importado da loja USA
Encomende já e receba por volta de Quinta-feira, Julho 23
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This Relay Board provides a single relay that can be controlled by any 12V digital output from your microcontroller.
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Note: Step Down Voltage Transformer required for using electronics products of EUA store (110-120). Recommended power converters Compre Agora.

O que se Destaca

OPTO Isolation
Provides enhanced protection against voltage spikes, ensuring circuit safety and reliability, making it ideal for sensitive electronics.
Low Level Trigger
Allows for easier integration with various microcontrollers and devices, enabling versatile applications in home automation and robotics.
Compact Design
Space-saving module design fits neatly into various projects, facilitating easy installation and reducing clutter in electronics setups.

Detalhes do produto

Shop the best 5V relay module with OPTO isolation on Ubuy, your São Tomé and Príncipe. Trigger it with high or low level signal for fault-tolerant operation. Get 4 modules now!
Item Weight0.5 lbs (230 grams)

Quem Deverá Comprar?

Suitable For
  • Home Automation

    Ideal for DIY enthusiasts wanting to automate appliances using a simple high/low level trigger mechanism.

  • Microcontroller Projects

    Perfect for hobbyists using Arduino or Raspberry Pi to control various devices or circuits easily.

  • Educational Purposes

    Great for students and educators looking to create practical projects focusing on relay technology and circuit design.

Not Suitable For
  • Industrial Applications

    Not suitable for high-power applications due to limited current rating and lack of advanced features.

  • Non-Technical Users

    May be overwhelming for users without technical knowledge or experience in electronics and programming.

  • High-Speed Switching

    Not designed for applications that require rapid switching, as relay modules typically have slower response times.

DESCRIÇÃO DO PRODUTO

2PCS 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

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Perguntas e Respostas dos Clientes

  • pergunta: What is a 5V One Channel Relay Module?

    Resposta: A 5V One Channel Relay Module is an electronic component that allows you to control high-voltage devices using low-voltage signals. It features an opto-isolation design, which ensures that the low-voltage control circuit is electrically separated from the high-voltage load. This makes it ideal for safely integrating microcontrollers like Arduino or Raspberry Pi into projects where controlling lights, motors, or home appliances is required.
  • pergunta: How does the opto-isolation feature benefit the relay module?

    Resposta: Opto-isolation is crucial as it prevents electrical noise from the load circuit from affecting the control side. This separation enhances the overall reliability and safety of your setup. Using an opto-isolated relay module, you can safely interact with higher voltages without risking damage to your microcontroller or creating hazards in your project, making it exceptionally useful in automation systems or remote control applications.
  • pergunta: Can this relay module handle high power loads?

    Resposta: Yes, this relay module can handle high power loads, depending on the specifications of the relay it contains. Typically, these modules are designed to manage several amps at standard voltages, allowing control over devices like lamps and motors. It's perfect for applications requiring safe on/off control, such as home automation systems, HVAC, industrial equipment, or any project where controlling power is necessary.
  • pergunta: What is a High/Low Level Trigger in relay modules?

    Resposta: A High/Low Level Trigger allows for versatile triggering options, meaning you can control the relay either by applying a high voltage (typically 5V) or a low voltage (0V) signal. This feature enables flexibility in how you design your circuit; for instance, if you're using a microcontroller that outputs a low signal when activated, you can still effectively control the relay. This adaptability is particularly useful in projects where signal levels vary.
  • pergunta: What applications can I use this relay module for?

    Resposta: This relay module is highly versatile and can be used in various applications such as home automation, garden irrigation systems, lighting control, and alarm systems. For example, you could set up the relay to turn on lights automatically at sunset, or control an electric fence. This module is an excellent addition to any DIY project that requires electrical control over devices and appliances.
  • pergunta: How do I connect the relay module to my microcontroller?

    Resposta: To connect the relay module, you'll need to link the input pin of the relay to one of the digital output pins of your microcontroller, along with connecting the ground and power pins appropriately. Ensure that the relay's voltage rating matches your control circuit. After connections, you can program the microcontroller to send a signal to the relay, activating or deactivating the connected load. This straightforward process allows for seamless integration into your electronics projects.
  • pergunta: Does the relay module require an external power supply?

    Resposta: Typically, the relay module operates at 5V, which can be supplied directly from your microcontroller's output or from a separate power source. It's essential to ensure that the power supply matches the module's specifications for safe operation. This convenience allows you to utilize the module without the need for bulky external power supplies in smaller applications.
  • pergunta: Is this relay module suitable for beginners?

    Resposta: Absolutely, this relay module is suitable for beginners due to its simple connection process and clear functionality. With basic knowledge of electronics and programming a microcontroller, you can get started on various projects quickly. Many tutorials are available online that guide you through setup and applications, making it an excellent starting point for those new to electronics and automation.
  • pergunta: Where can I buy 4 Pack 5V One Channel Relay Module in São Tomé and Príncipe?

    Resposta: You can buy the 4 Pack 5V One Channel Relay Module with OPTO Isolation from Ubuy in São Tomé and Príncipe. They provide a reliable platform that stocks various electronic components, ensuring quality and prompt service for your shopping needs.
  • pergunta: Is there a limit to how many relay modules I can connect together?

    Resposta: There is no strict limit to the number of relay modules you can connect together, but practical considerations such as the power supply capacity and your microcontroller’s GPIO limits must be accounted for. Each relay draws a small amount of current, so ensure your power supply can handle the total load. This flexibility allows you to expand your automation systems as needed without major redesigns.

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Avaliações e Classificações dos Clientes

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Prós

  • Easy to install and use
  • Reliable performance
  • Suitable for various projects
  • Supports high and low triggers
  • Good isolation feature

Contras

  • Requires external power supply.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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STD 643195

Encomende já e receba por volta de Quinta-feira, Julho 23

QTY:

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Os nossos principais Parceiros Logísticos
  • fedex
  • dhl
Entrega internacional mais rápida

Recursos e benefícios

  • Supports 12V digital output control for versatile use.
  • High quality relay with maximum load capacity of AC 250V/10A & DC 30V/10A.
  • Utilizes SMD optocoupler isolation for strong performance.
  • User-friendly interface for easy direct connection.
  • Compatible with a variety of devices like Arduino, Raspberry Pi, and CNC machines.
  • Ideal for both hobbyist and professional projects.

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