【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 5V digital output from your microcontroller.
【Main Specification】- Peak Load of NO Connector: AC125~250V/10A, DC28~30V/10A; Trigger Current: 5mA; 4pcs * 3.1 mm Fixed Bolt Hole
【Adopted SMD Optocoupler Isolation】- The isolation circuit prevent damages to I / O port by relay switch current.
【Wide Application】- These 5v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc.
【Humanization Design On Interfaces】- All interfaces can be directly wired out through the terminals.