5V 2 Channel Relay Module
₹76.00
5V 2 Channel Relay Module is a dual-channel relay control board designed for Arduino, Raspberry Pi, AVR, PIC, and other microcontroller projects. It allows low-voltage control signals to switch high-voltage AC or DC loads safely using onboard relay switches.
Description
The 5V 2 Channel Relay Module is a compact and reliable relay interface board used to control electrical devices with microcontrollers and embedded systems. It contains two independent 5V electromagnetic relays that can be controlled through digital input signals from Arduino, ESP modules, PIC, AVR, and other development boards.
This relay module provides electrical isolation between the control circuit and the high-power load circuit, making it suitable for switching lamps, motors, fans, pumps, solenoid valves, and other electrical appliances.
The module includes onboard transistor driver circuits, protection diodes, indicator LEDs, and relay switching terminals, eliminating the need for additional driver components. Each relay channel can be controlled separately through input pins.
The 5V 2 Channel Relay Module is widely used in automation, IoT projects, smart home systems, robotics, industrial control projects, and DIY electronics applications.
Features
- Dual-channel relay control
- Operating voltage: 5V DC
- Two independent electromagnetic relays
- Compatible with Arduino and microcontrollers
- Opto-isolation (depending on module version)
- LED indicators for relay status
- Built-in transistor driver circuit
- Flyback protection diode
- Screw terminals for easy wiring
- Supports NO and NC switching modes
- Compact PCB design
Specifications
| Specification | Details |
|---|---|
| Module Type | 2 Channel Relay Board |
| Relay Voltage | 5V DC |
| Number of Channels | 2 |
| Input Control Voltage | 3.3V / 5V Logic Compatible (module dependent) |
| Relay Type | Electromagnetic Relay |
| Contact Configuration | SPDT (NO/NC/COM) |
| Relay Contact Rating | 10A @ 250VAC / 30VDC (relay dependent) |
| Control Method | Digital Signal |
| Indicators | Power LED + Relay Status LEDs |
| PCB Type | Single Layer Module |
| Interface | VCC, GND, IN1, IN2 |
Pin Description
| Pin | Function |
|---|---|
| VCC | 5V Power Supply |
| GND | Ground |
| IN1 | Relay Channel 1 Control Input |
| IN2 | Relay Channel 2 Control Input |
Relay Terminal
Each relay provides:
| Terminal | Function |
|---|---|
| COM | Common Terminal |
| NO | Normally Open |
| NC | Normally Closed |
Applications
- Arduino automation projects
- Smart home control
- IoT switching systems
- Light control systems
- Motor switching
- Fan control
- Pump controllers
- Robotics projects
- Industrial automation
- Security systems
- Remote appliance control
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