2 Channel 5V Relay Module

Specifications:

Channels: 2 individual relays.
Relay Control Voltage: 5V DC.
Maximum Load: Each relay can handle up to 250V AC at 10A or 30V DC at 10A.
Trigger Voltage: 5V from a microcontroller or other control circuit.
Relay Type: SPDT (Single Pole Double Throw).
Optocoupler Isolation: Provides electrical isolation between the control signal and the relay.

Special Features:

Dual Relay Channels: The module has two relays, allowing you to control two different devices simultaneously.
Optocoupler Isolation: Protects your microcontroller or control circuit from high-voltage spikes by isolating the relay inputs electrically.
LED Indicators: Each relay has an onboard LED that lights up when the relay is activated, providing visual feedback.
High-Current Capacity: Capable of switching high-power devices such as motors, lights, or home appliances.
Screw Terminals: Secure connections for both the relay output and input power.

Original price was: ৳ 150.00.Current price is: ৳ 125.00.

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Specification

Overview

Wiring Connections:

Power Supply:
- VCC: Connect to a 5V power supply.
- GND: Connect to the ground of the power supply.
Control Signal:
- IN1: Connect to the digital output pin of the microcontroller (for Relay 1).
- IN2: Connect to the digital output pin of the microcontroller (for Relay 2).
Relay Outputs:
- COM (Common): Connect to the power source or ground, depending on the load.
- NO (Normally Open): Connect to the device’s power input. The device will be powered when the relay is activated.
- NC (Normally Closed): Connect to the device’s power input. The device will be powered when the relay is not activated.

Power:

Operating Voltage: 5V DC.
Current Draw: Typically around 70-80 mA per relay when activated.
Power Consumption: Relatively low, making it efficient for continuous operation.

Input and Output:

Input: 5V digital signals from a microcontroller (like Arduino, Raspberry Pi) to trigger the relays.
Output: The relays control higher voltage devices, allowing you to turn them on or off based on the control signals.

Physical Characteristics:

Dimensions: Approximately 50mm x 40mm x 20mm, making it compact and easy to integrate into projects.
Weight: Light, usually around 25-30 grams.
Mounting Holes: Includes pre-drilled holes for easy mounting onto project enclosures or panels.
Build Material: High-quality PCB with durable components for long-term use.

Technical Specifications:

Relay Activation Time: Less than 10 milliseconds.
Relay Release Time: Less than 5 milliseconds.
Electrical Isolation: Optocouplers provide 5000V isolation between the control circuit and the relay outputs.
Relay Life Span: Rated for over 100,000 switching cycles.
Operating Temperature: Typically between -40°C to +85°C.

Additional Features:

Versatile Applications: Suitable for controlling various AC and DC devices, such as lamps, motors, fans, solenoids, and more.
Protection: The module includes diodes to protect against back EMF when switching inductive loads like motors.
Compact Design: The small footprint allows easy integration into projects with limited space.
Compatibility: Works seamlessly with most microcontrollers, including Arduino, Raspberry Pi, ESP32, and others.

How to Use:

Connect the Power Supply:
- VCC: Connect to a 5V power supply to power the relay module.
- GND: Connect to the ground of your system.
Connect the Control Signals:
- IN1: Connect to the control pin of your microcontroller to control Relay 1.
- IN2: Connect to the control pin of your microcontroller to control Relay 2.
Connect the Load:
- Common (COM): Connect to the power source or ground.
- Normally Open (NO): Connect to the load if you want it to be powered only when the relay is active.
- Normally Closed (NC): Connect to the load if you want it to be powered when the relay is not active.
Programming:
- Initialize the Control Pins: In your code, set the connected pins as outputs.
- Activate the Relays: Send a HIGH signal to the IN1 or IN2 pins to activate the respective relay, powering the connected device.
- Deactivate the Relays: Send a LOW signal to turn off the relay and disconnect the power to the device.
Example Use Case:
- Home Automation: Use the relay board to control lights or appliances in a smart home setup. The microcontroller can be programmed to turn devices on or off based on time, sensors, or user commands.

The 2-Channel 5V Relay Board Module is a reliable and easy-to-use solution for controlling high-power devices with low-power control signals. Its dual relays, optocoupler isolation, and compact design make it a versatile choice for various automation and control projects.