4 Channel 5v Relay Shield Module
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This 4-channel relay shield module enables your Arduino to control high-power devices like lights, motors, and appliances using low-voltage signals. Each relay supports NO, NC, and COM connections, making it ideal for home automation, robotics, and industrial projects. The compact design and 5V operation ensure easy integration with Arduino boards.
add_circle The Upside
- check Allows safe control of high-power devices from Arduino
- check Easy to use with clear LED indicators
- check Compact and secure mounting
remove_circle The Downside
- close Limited to 5V coil voltage
- close No optocoupler isolation
- close May require external power for high-current loads
Specifications & features
Key features
- check_circle 4 relay channels with NO, NC, and COM pins
- check_circle 5V DC operation, compatible with 5V and 3.3V control signals
- check_circle Red LED indicators for each relay
- check_circle Compact form factor with M3 mounting holes
- check_circle Sky-5V DC relay (model HJR-4102-L-5V)
Specifications
Channels
4
Control Signals
5V and 3.3V compatible
Indicators
Red LED per channel
Mounting
3 M3 screw holes
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