.jpg)
Rs. 65.00Rs. 42.00
The 12V 1 Channel Relay Module is a compact, versatile component designed for switching high-voltage devices with a low-voltage control signal. Operating at 12V DC, it allows you to control AC or DC loads up to 250V AC or 30V DC and 10A current. Ideal for home automation, industrial applications, and DIY electronics projects, it features a simple input control pin, LED status indicator, and provides electrical isolation between the control circuit and the load. Easily interfaced with microcontrollers like Arduino or Raspberry Pi, this relay module is essential for automating and managing high-power devices safely and efficiently.
The 12V 1 Channel Relay Module is an essential component for interfacing low-voltage control systems with high-voltage or high-current devices. This relay module allows you to control various electrical appliances and systems by switching high-power loads with a low-voltage signal.
Key Features:
-
Relay Specifications: This module features a single relay with a 12V DC coil voltage, making it suitable for use with a 12V power supply. The relay can handle loads up to 250V AC or 30V DC, with a maximum current rating of 10A, making it versatile for a range of applications.
-
Control Interface: The module is designed to be easily controlled by a low-voltage signal from a microcontroller, such as an Arduino, Raspberry Pi, or other control devices. The control input (IN) pin receives a logic signal to activate or deactivate the relay.
-
Isolation: The relay module provides electrical isolation between the control side and the load side, thanks to an onboard optocoupler. This isolation enhances safety by preventing electrical interference and protecting your low-voltage control circuits from high-voltage spikes.
-
Status Indicator: An onboard LED indicator provides a visual cue of the relay's status, lighting up when the relay is activated. This helps in quickly diagnosing the relay’s state and ensuring proper operation.
-
Versatile Applications: Ideal for home automation systems, industrial controls, and DIY electronics projects, this relay module can be used to control lighting, fans, appliances, or any other high-power device. It is perfect for automating tasks and integrating with home automation hubs or IoT systems.
Connections and Usage:
-
Power Supply: Connect the VCC pin to a 12V DC power source and the GND pin to ground. This powers the relay coil and control circuit.
-
Control Signal: Attach the IN pin to the output of your microcontroller or control device. A logic HIGH signal (typically 5V or 3.3V) will activate the relay, closing the circuit between the COM and NO (Normally Open) terminals.
-
Load Wiring: Connect your high-power load to the COM and NO (or NC) terminals. When the relay is activated, the circuit between COM and NO will close, allowing current to flow through your load.
Safety and Installation Tips:
- Ensure that the relay’s voltage and current ratings are suitable for your application to avoid damage and ensure reliable operation.
- Always handle high-voltage connections with care, ensuring power is off before making any connections or adjustments.
- Use proper insulation and secure wiring to prevent accidental shorts or electrical hazards.
Applications:
- Home Automation: Automate household appliances such as lights and fans.
- Industrial Control: Manage machinery and equipment with low-voltage control signals.
- DIY Projects: Integrate with development boards for custom electronic solutions and automated systems.
The 12V 1 Channel Relay Module combines ease of use with reliable performance, making it a crucial tool for automating and controlling high-power devices in a safe and efficient manner.
SKU: 618374
- Brand new and high quality.
- 1-Channel Relay interface board,
- Equipped with high-current relay : 15A @ 125V AC or 10A @ 250V AC
- Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM)
Technical Specifications:
- Relay Coil Voltage: 12V DC
- Relay Contact Ratings:
- AC Voltage: Up to 250V AC
- DC Voltage: Up to 30V DC
- Current Rating: Up to 10A (check specific module specifications for maximum ratings)
- Control Signal Voltage: Compatible with logic levels of 3.3V or 5V
- Isolation Type: Optocoupler for safe isolation between control and load circuits
- LED Indicator: Provides visual feedback of relay status
- Board Dimensions: Typically around 50mm x 30mm (dimensions may vary by manufacturer)
- Mounting: Designed with mounting holes for secure installation
Operational Characteristics:
- Relay Type: Typically SPDT (Single Pole Double Throw) or SPST (Single Pole Single Throw)
- Control Input Impedance: High impedance, usually in the kΩ range
- Relay Switching Speed: Mechanical relay with typical switching times in milliseconds
Installation Instructions:
- Power Supply Connection: Connect the VCC pin to a 12V DC power supply. Connect the GND pin to the ground of the power supply.
- Control Signal Connection: Connect the IN pin to the control signal from your microcontroller or other control device. A HIGH signal will activate the relay.
- Load Connection: Wire your high-power device to the COM and NO (or NC) terminals based on whether you want the device to be on or off when the relay is activated.
- Testing: Apply a control signal to the IN pin to test the relay operation. Verify that the connected load turns on or off as expected.
Common Issues and Troubleshooting:
-
Relay Not Activating:
- Check Control Signal: Ensure the input signal voltage is within the required range (typically 3.3V or 5V).
- Power Supply Issues: Verify that the VCC pin is connected to a stable 12V power supply and that the GND connection is secure.
- Relay Damage: Inspect the relay for physical damage or malfunction.
-
Inconsistent Relay Operation:
- Voltage Spikes: Consider adding a snubber diode or RC circuit to handle inductive spikes if using with inductive loads.
- Loose Connections: Ensure all wiring and connections are secure and properly connected.
Safety Considerations:
- High-Voltage Handling: Exercise caution when connecting high-voltage loads. Always ensure power is off before making or adjusting connections.
- Relay Ratings: Ensure the relay’s contact ratings match the voltage and current requirements of the load to prevent damage or failure.
- Insulation: Use insulated wiring and connectors to avoid short circuits or electric shock.
Integration Examples:
- Microcontroller Projects: Easily integrate with development boards like Arduino, Raspberry Pi, ESP8266, or ESP32 for custom automation solutions.
- Home Automation: Connect to home automation systems to control household devices via remote or programmable control.
- Industrial Control Systems: Use in control panels to manage industrial equipment with automated switching capabilities.
Module Variants:
- Some relay modules come with additional features such as multiple channels (e.g., 2, 4, or 8 channels) or built-in protections. Ensure you choose a module that fits your specific requirements.
Manufacturer’s Specifications:
- Always refer to the manufacturer’s datasheet or user manual for detailed specifications, wiring diagrams, and installation instructions tailored to your specific relay module model.
The 12V 1 Channel Relay Module is designed to simplify the control of high-power devices with a low-voltage signal, making it a valuable component in both simple and complex automation projects.
