C37 - Single Relay Board
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C37 - Single Relay Board
Works directly with popular CNC hardware and software - just screw on your connections!
C37 - Single Relay Board
物品 #: 154219527

C37 - Single Relay Board

物品 #: 154219527

HKD 179

Price Details

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

*All items will import from 美國

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現在訂購，約可在下列時間收貨： Sunday, 八月 30
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Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

Compact Design
The C37's small footprint makes it perfect for tight spaces, allowing easy integration into various projects without compromising on performance or functionality.
High Compatibility
Compatible with multiple microcontrollers and platforms, the C37 single relay board offers versatility, making it suitable for hobbyists and professionals alike in their automation projects.
Robust Safety Features
Equipped with protection against overloads and short circuits, the C37 ensures reliable operation, enhancing safety and longevity for all connected devices during use.

產品詳情

Shop C37 - Single Relay Board online at a best price in 香港. B073XVWL3V
Operation ModeAutomatic
Brand NameCNC4PC
ManufacturerCNC4PC
ModelC37
Part NumberC37
BrandCNC4PC
Number of Items1
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Home Automation Users

    Ideal for DIY enthusiasts looking to control lights and appliances remotely through simple relay operations.

  • Electronics Hobbyists

    Great for circuit experiments and projects needing control of high power devices with low voltage signals.

  • Industrial Automation

    Suitable for integrating with microcontrollers for controlling various machines and sensors in an industrial setting.

Not Suitable For
  • Advanced Programmers

    Limited functionality compared to more complex relay systems, lacking features for highly customized automation solutions.

產品敘述

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客戶問題與解答

  • 題: What is the C37 - Single Relay Board used for?

    回答: The C37 - Single Relay Board is designed to control electrical devices or circuits using a low-voltage digital signal. It is particularly useful for automation projects, home automation, or any scenario where remote control of an electrical appliance or system is required. Leveraging a relay, this board allows a small current to activate a larger current, making it suitable for powering motors, lights, or even larger electrical appliances. Users can integrate it into platforms like Arduino or Raspberry Pi for varied DIY electronics applications.
  • 題: How does the C37 - Single Relay Board work?

    回答: The C37 - Single Relay Board operates by receiving a low-voltage signal from a controller, which energizes the relay coil, closing the circuit and allowing higher voltage devices to operate. This relay acts as an electrically operated switch, providing complete control over the circuit. Users can program their microcontroller to toggle the relay based on specific conditions, making it applicable in scenarios like turning lights on and off based on time or sensor input.
  • 題: Is the C37 - Single Relay Board compatible with Arduino?

    回答: Yes, the C37 - Single Relay Board is fully compatible with Arduino and similar microcontrollers. Users can easily connect the relay board to an Arduino through digital output pins and manage it via simple code. This compatibility allows hobbyists and developers to implement automation projects seamlessly, such as controlling appliances or reading sensor data to trigger the relay for various applications in smart home environments.
  • 題: What are the specifications of the C37 - Single Relay Board?

    回答: The C37 - Single Relay Board typically features a rated control voltage of 5V and can manage loads up to 10A at 250VAC or 30VDC. It includes opto-isolation for enhanced safety, preventing back EMF from damaging your microcontroller. Users appreciate these specifications for reliable performance and safe circuit handling in projects where control of high-power devices is necessary, making it a staple in both DIY and professional electronic applications.
  • 題: Can the C37 - Single Relay Board control AC devices?

    回答: Absolutely! The C37 - Single Relay Board is specifically designed to control AC devices safely and efficiently. By connecting the relay to an AC circuit, users can manage household appliances, lighting systems, or heating units. This capability is invaluable for automating everyday tasks, such as setting up a programmable schedule to control HVAC systems or lights based on time, improving energy efficiency.
  • 題: What safety features does the C37 - Single Relay Board provide?

    回答: The C37 - Single Relay Board incorporates several safety features, including opto-isolation, which protects the microcontroller from high voltages. Additionally, it features protective components to handle back EMF generated from inductive loads, thus preserving the integrity of your circuit. These safety features make it ideal for projects that involve controlling high-power devices, giving users peace of mind when engaging in electrical automation.
  • 題: How can I program the C37 - Single Relay Board with Arduino?

    回答: Programming the C37 - Single Relay Board with Arduino is straightforward. Begin by connecting the relay module to the Arduino’s digital I/O pins and ensure to connect the VCC and GND pins correctly. You can write a simple code using the Arduino IDE that sends a HIGH signal to turn the relay on and LOW to turn it off. This allows you to control devices like lights or motors with various conditions, turning your Arduino into a smart controller for numerous applications.
  • 題: What type of devices can I control with the C37 - Single Relay Board?

    回答: You can control a variety of devices with the C37 - Single Relay Board, including lights, fans, motors, and appliances such as TVs or coffee makers. Any device that runs on AC voltage within the relay's rated specifications can be managed effectively. This broad capability allows users to implement home automation systems, industrial applications, or experimentation in robotics, providing countless opportunities for creative projects.
  • 題: Can I use multiple C37 - Single Relay Boards together?

    回答: Yes, multiple C37 - Single Relay Boards can be utilized together for larger automation projects. Since each relay can be controlled by different digital output pins from a microcontroller, users can coordinate numerous devices simultaneously. This setup is particularly beneficial for complex projects where multiple circuits need to be controlled in sync, such as in smart homes managing lighting and HVAC systems collectively.
  • 題: Where can I buy the C37 - Single Relay Board in Hong Kong?

    回答: You can purchase the C37 - Single Relay Board from Ubuy, which offers a reliable shopping experience for electronics and components. Ubuy provides a variety of options, often featuring multiple stock levels, ensuring you find the right product for your projects. With a user-friendly interface and dedicated customer support, Ubuy is a preferred option for getting your hands on the C37 relay board in Hong Kong.

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優點

  • Easy to install
  • Compact design
  • Reliable performance
  • Wide compatibility
  • Highly rated by users

缺點

  • Limited documentation available.

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3.8/5 96 reviews
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“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot
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“Great products and services”

17 April 2026 · via Trustpilot
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“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

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“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot
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“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot
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HKD 179

現在訂購，約可在下列時間收貨： Sunday, 八月 30

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特色和優勢

  • Compatible with popular CNC hardware and software.
  • Easy screw-on connections for hassle-free wiring.
  • Acts as a switch for powering various hardware.
  • Controls one independent AC or DC device.
  • Ideal for spindles, coolant pumps, and electro valves.
  • Simplifies your CNC projects with reliable performance.

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