4 Channel Relay Module overview
The 4 Channel Relay Module is a Board For Arduino. Main ratings: Output Controllable Digital; Compatible With any 5V microcontroller such as Arduino.; Rated through-current 10A (NO) 5A (NC); Control Signal TTL level. This page brings together the 4 Channel Relay Module pinout and key specifications, with the full datasheet PDF to preview below or download.
This is a 5V 4-channel relay interface board, and each channel needs a 15-20mA driver current. This 4-way relay module can be used to control various appliances and equipment with a large current. This four-channel relay module is equipped with high-current relays that work under AC250V 10A or DC30V 10A. 5 volts relay driver module has a standard interface that can be controlled directly by the microcontroller. This relay module board allows a wide range of microcontrollers such as Arduino, AVR, PIC, and ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs.
Key specifications
Datasheet
4 Channel Relay Module features
- Arduino Unof Leonardo/Seeeduino compatible, other board or microcontroller via jumper cables.
- Interface via digital 1/0 pins 4, 5, 6, and 7.
- Relay screw terminals.
- Standardized shield shape and design.
- LED working status indicators for each relay.
- High-quality relays COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay
4 Channel Relay Module pinout
| Name | Description |
|---|---|
| GND | Ground reference for the module |
| IN1 | Input to activate relay 1 |
| IN2 | Input to activate relay 2 |
| IN3 | Input to activate relay 3 |
| IN4 | Input to activate relay 4 |
| VCC | Power supply for the relay module |
| VCC | Power supply selection jumper |
| JD-VCC | Alternate power pin for the relay module |
4 Channel Relay Module applications
- Home automation systems for controlling multiple appliances, lights, or fans
- Industrial control systems for managing multiple motors, pumps, and electrical loads
- Building management systems for centralized control of lighting, HVAC, and other electrical devices
- Robotics and automation applications for controlling multiple actuators and devices
- Security systems for controlling multiple access points, doors, or gates
- Irrigation control systems for managing multiple zones or valves
- DIY electronics projects requiring switching or control of multiple devices
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