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Item #:
171099008
2 Channel DC 5V Relay Module with Optocoupler Control Board and Indicator Light, Development Board Accessories Relays, Suport High Low Level Trigger
Item #:
171099008
NAD 211
Price Details
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Imported from USA store
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Order now and get it around Saturday, July 18
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Easy to manage two independent circuits with industrial-grade safety and low power consumption.
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What Stands Out
Optocoupler Isolation
Provides enhanced safety and reliability by isolating control and load circuits, minimizing interference and protecting your microcontroller from voltage spikes.
Dual Channel Control
Enables control of two separate devices simultaneously, creating flexibility for various applications in automation, allowing for efficient task management in development projects.
Level Trigger Support
Offers compatibility with both high and low level trigger inputs, making it versatile for diverse projects and easy integration with various microcontrollers.
Product Details
| Connector Type | Screw |
| Contact Type | 2no |
| Current Rating | 10 Amps |
| Mounting Type | Screw Mount |
| Operation Mode | Automatic |
| Coil Voltage | 5 Volts (DC) |
| Contact Current Rating | 100 Milliamps |
| Minimum Switching Voltage | 5 Volts (DC) |
| Upper Temperature Rating | 122 Degrees Fahrenheit |
| Brand Name | Yetaida |
| Part Number | M085-2 Way-5V-O-1PCS |
| Item Weight | 30 Grams |
| Manufacturer | Yetaida |
| Included Components | relay module |
| Brand | Yetaida |
Who Should Buy?
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Hobbyist Developers
Perfect for developers working on small electronic projects needing relay integration and control capabilities.
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Home Automation
Ideal for home automation enthusiasts wanting to control appliances and systems via low power signals.
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Educational Purposes
Useful for students and instructors experimenting with relay technology in electronics and programming courses.
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High Power Applications
Not suitable for applications requiring high voltage or current beyond the 5V relay capacity.
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Professional Projects
May not meet the reliability requirements for critical professional applications requiring robust hardware.
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Complex Logic Systems
Not ideal for users needing complex logic control due to limited relay channels and features.
Product Description
2 Channel DC 5V Relay Module with Optocoupler Control Board and Indicator Light, Development Board Accessories Relays, Suport High Low Level Trigger
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a 2 Channel DC 5V Relay Module with Optocoupler?
Answer: A 2 Channel DC 5V Relay Module with Optocoupler is an electronic device that allows you to control high voltage devices using low voltage signals. It features two relay channels, enabling simultaneous control of two devices. The optocoupler provides electrical isolation between the control signal and the relay output, enhancing safety. This module is particularly useful in projects where you need to remotely control appliances, lights, or motors through microcontrollers like Arduino. -
Question:
How do I connect the 2 Channel Relay Module to a microcontroller?
Answer: To connect the 2 Channel Relay Module to a microcontroller, first identify the control pins on the module. Typically, you'll connect the IN1 and IN2 pins on the relay to your microcontroller's GPIO pins. Connect the VCC and GND pins to the power source and ground. The optocoupler isolates your microcontroller from high voltage lines, ensuring safe operation. After wiring, you can use your microcontroller's programming environment to send signals to the relay to control connected devices. -
Question:
What types of devices can I control with this relay module?
Answer: This relay module can control a wide variety of devices including lights, fans, and motors. Essentially, it can switch any appliance that operates on AC voltage within its rating limits. For instance, if you're building a home automation project, you can use this relay to control the lights in your living room remotely via your smartphone or microcontroller. Its ability to handle both high and low-level triggers adds versatility to projects requiring different input signals. -
Question:
What is the significance of having an optocoupler in this relay module?
Answer: The optocoupler in the relay module serves to provide electrical isolation between the control side and the relay outputs. This is crucial for protecting the microcontroller from potential high voltage spikes that could occur during the operation of connected devices. It ensures that control signals do not interfere with or damage sensitive components. In practical terms, this means that you can safely control high-powered devices without risking damage to your control circuits. -
Question:
Can this relay module support both high and low-level triggers?
Answer: Yes, this relay module supports both high and low-level triggering, making it highly versatile for different applications. A high-level trigger means the relay is activated when the input pin is set to a high signal, while a low-level trigger activates the relay with a low signal. This flexibility allows developers to use the module in various projects, such as home automation or robotics, where input signal types may vary based on design requirements. -
Question:
What are the typical applications for a 2 Channel Relay Module?
Answer: Typical applications for a 2 Channel Relay Module include home automation systems, industrial automation controls, remote control systems, and robotics. For example, hobbyists might use it in a project to automate home lighting systems, allowing control via smartphone apps. Additionally, it can be employed in cars to manage auxiliary lighting systems. Its simplified design and dual-channel capabilities lend it well to diverse electronics and engineering projects. -
Question:
Is this relay module suitable for beginners?
Answer: Yes, the 2 Channel DC 5V Relay Module is suitable for beginners due to its straightforward design and easy-to-understand functionality. Most microcontroller platforms provide library support, allowing newcomers to easily interface with the module. Starting with basic projects like simple lamp control can help users build confidence while advancing to more complex automation systems over time. The clear indicator lights also provide visual feedback, enhancing the learning experience. -
Question:
What is the maximum load that this relay can handle?
Answer: The relay module typically can handle loads of up to 10A at 250VAC or 30VDC, depending on the specific model and manufacturer specifications. This means it can switch on and off various household appliances and electrical devices. For effective use, always verify the load requirements of the devices you wish to control, ensuring they don't exceed the relay's ratings. Utilizing this module within its limits guarantees reliable operation without damage. -
Question:
Where can I buy a 2 Channel DC 5V Relay Module with Optocoupler in Namibia?
Answer: You can purchase the 2 Channel DC 5V Relay Module with Optocoupler Control Board from Ubuy in Namibia. Ubuy offers a wide selection of electronic components, including this relay module, ensuring convenience in sourcing quality development accessories for your electronics projects. -
Question:
What are the benefits of using a relay module over a transistor switch?
Answer: Relay modules like the 2 Channel DC 5V Relay Module offer several advantages over transistor switches. Firstly, relays can handle higher current loads, making them suitable for controlling larger electrical devices safely. Secondly, they provide electrical isolation, protecting sensitive components. In scenarios involving AC devices, relays are a safer choice due to their ability to physically switch on/off circuits. This makes relay modules ideal for applications where safety and robustness are paramount.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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NAD 211
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Features & Benefits
- Manage two independent circuits effortlessly with dual-channel precision control.
- Low power consumption (15-20mA per channel) ensures compatibility with various power solutions.
- Built-in optocoupler isolation protects sensitive circuits from voltage spikes.
- Flame-retardant PCBs and convenient screw-terminal blocks meet industrial safety standards.
- LED indicator lights provide real-time feedback for relay activation.
- Compatible with 5V DC, solar systems, and USB battery packs for versatile applications.
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