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- 8Pack 1 Channel 5V Relay Module High/Low Leve...
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Item #:
220468054
8Pack 1 Channel 5V Relay Module High/Low Level Trigger Relay Board
90% of respondents would recommend this to a friend
Item #:
220468054
WST 74
Price Details
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Order now and get it around Tuesday, September 29
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The module features a fault-tolerant design that ensures reliability and stability in operation, even if the control line is broken.
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What Stands Out
Versatile Triggering
Supports both high and low-level triggering, enabling flexible integration with various microcontrollers for diverse automation projects.
Multiple Channels
Eight-channel design allows for simultaneous control of multiple devices, enhancing efficiency in home automation and robotics applications.
User-Friendly Setup
Easy to install and configure, making it suitable for beginners and seasoned developers alike, simplifying the deployment of relay-based control systems.
Product Details
| Connector Type | Through Hole |
| Contact Type | Normally Open |
| Current Rating | 10 A |
| Mounting Type | Through Hole Mount |
| Operation Mode | Automatic |
| Coil Voltage | 5 volts_of_direct_current |
| Contact Current Rating | 10 A |
| Maximum Switching Current | 10 A |
| Maximum Switching Voltage | 250 volts |
| Minimum Switching Voltage | 0.01 volts_of_direct_current |
| Number of Terminals | 3 |
| Contact Material | Aluminum |
| Brand Name | DaFuRui |
| UPC | 738426125136 |
| Number of Packs | 8 |
| Item Highlight | Optocoupler isolation for stable signal.Switchable high/low level trigger via jumper.Fault-tolerant circuit,indicator lights |
| Number of Items | 10 |
| Manufacturer | DaFuRui |
| Model | Relay |
| Part Number | Relay |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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Arduino Users
Ideal for those utilizing Arduino projects needing low/high level triggering for controlling devices or appliances.
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Home Automation
Perfect for automation setups where remote control of electrical devices is essential, allowing efficient home management.
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Hobbyists & Makers
Great for electronics enthusiasts who want to experiment with relay functionalities and build custom projects.
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High Power Applications
Unsuitable for heavy-duty applications requiring high current handling capabilities beyond the relay's specifications.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a 4 Channel 5V Relay Module used for?
Answer: A 4 Channel 5V Relay Module is primarily used for controlling high voltage devices with low voltage signals, particularly in projects involving microcontrollers like Arduino. This module allows you to switch on/off various electrical devices such as lights, motors, and appliances safely and efficiently. Perfect for automation projects, it can also be employed in IoT applications where remote control is required, enabling smarter homes and industrial automation. -
Question:
How does the optocoupler function in the relay module?
Answer: The optocoupler in the 4 Channel 5V Relay Module acts as an electrical isolator between the relay circuit and the controller (like an Arduino). It allows the relay to be triggered by low voltage signals while protecting sensitive components from voltage spikes. This ensures the safe operation of your project. For example, in a home automation setting, the optocoupler enables you to control household devices without risking damage to your microcontroller. -
Question:
What is the difference between high level trigger and low level trigger?
Answer: High level trigger and low level trigger refer to the method by which the relay is activated. A high level trigger means that the relay is activated when the input signal is high (usually 5V). In contrast, a low level trigger activates the relay when the input signal is low (0V). Choosing between them depends on your specific circuit needs. For instance, in situations where the device state should default to off when powered, a low level trigger might be preferable. -
Question:
Can I use this relay module with other microcontrollers besides Arduino?
Answer: Yes, the 4 Channel 5V Relay Module can be used with a variety of microcontrollers, including Raspberry Pi, ESP8266, and ESP32, among others. The module operates at a standard 5V, making it compatible with most digital logic levels found in common microcontrollers. This flexibility allows you to incorporate it into numerous projects, whether you're creating a smart home system or a more complex automation project. -
Question:
What are the maximum current and voltage ratings for devices connected to this relay module?
Answer: Typically, each relay in the 4 Channel 5V Relay Module can handle up to 10A at 250VAC or 30VDC. It's crucial to review the specifications to ensure your devices fall within these limits to prevent damage or malfunction. This feature allows you to connect a wide range of household appliances, making it ideal for various DIY projects such as controlling garage doors, lighting systems, or other home automation solutions. -
Question:
Is it necessary to use a separate power supply for the relay module?
Answer: While the 4 Channel 5V Relay Module can be powered by the same source as your microcontroller, using a separate power supply is often recommended. This approach provides the following benefits: it reduces the risk of voltage fluctuations that may affect your microcontroller's performance, and it ensures that the relays receive adequate power when switching high current loads, enhancing overall reliability in your projects. -
Question:
What programming libraries are available for this relay module?
Answer: For Arduino users, there are numerous libraries available, such as the 'Relay' library or 'Arduino-Relay-Module' library, which simplify the process of controlling relay modules. These libraries facilitate easy coding for various functionalities, allowing you to integrate the relay module into your projects with minimal complexity. This support enables you to focus more on the creative aspects of your project rather than getting bogged down in code specifics. -
Question:
Can I control multiple devices simultaneously with this module?
Answer: Yes, the 4 Channel 5V Relay Module is designed to control multiple devices independently at once. Each relay can be triggered individually, allowing you to operate different appliances according to your project's requirements. This functionality is particularly beneficial in applications like automated lighting systems or home theaters, where various devices need to be controlled in sync or independently based on the user's needs. -
Question:
Are there any safety features built into this relay module?
Answer: The 4 Channel 5V Relay Module includes built-in isolation through the optocoupler, which protects your microcontroller from high-voltage surges. Additionally, many models feature LED indicators for each relay that show the activation status, allowing for easier debugging and status monitoring during project development. Such safety features make it ideal for hobbyists and professionals implementing complex electronic projects where stability is crucial. -
Question:
Where can I buy the 4 Channel 5V Relay Module 2Pack in Samoa?
Answer: You can purchase the 4 Channel 5V Relay Module 2Pack at Ubuy. They offer a wide range of electronics and components, making it a convenient option for getting your relay modules along with other products required for your projects. Check Ubuy to find the best options and availability in Samoa.
DaFuRui Solid State Relays Editorial Review
8PCS 12V 1-CH Relay Module Optocoupler High/Low Trigger for Arduino is an excellent choice for those looking to control devices with reliable performance. This product features 8 individual relay modules with optocoupler isolation, supporting both high and low level triggers, making it perfect for Arduino projects. Users have reported their satisfaction with its stable operation and versatility in various applications. Many have noted the utility of the screw-type connectors for easy installation and the robust 10 A current rating for handling a variety of loads. Whether you're working on custom home automation or other electronics, these relays are well-regarded for their quality and efficiency.
Customer Reviews & Ratings
90 customers ratings
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5 Star
73%
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4 Star
12%
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3 Star
6%
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2 Star
2%
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1 Star
7%
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Pros
- 8-channel capability for multiple applications
- Stable optocoupler isolation technology
- High/low trigger support for flexibility
- Compact size suitable for tight spaces
- Easy screw connections for quick setup
Cons
- Selected increments might not suit all standard values
Platform Trust & Buyer Confidence
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11 September 2026 · via Trustpilot
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8 September 2026 · via Trustpilot
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WST 74
Order now and get it around Tuesday, September 29
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Features & Benefits
- Maximum load capacity of AC 250V/10A and DC 30V/10A.
- SMD optocoupler isolation for strong driving ability and stable performance.
- User-friendly interface with terminal block for easy connections.
- Fault-tolerant design prevents relay activation if control line is broken.
- Versatile compatibility with microcontrollers like ARM, PIC, and Raspberry Pi.
- Compact size for easy installation and integration into projects.
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