Relay Module (2 Channel) 5V with High/Low Level Trigger Selector

From the shop's description

The module has two relays with the coil powered with the voltage of 5 V with optical isolation of the input and mounting holes. The system allows you to control actuators using the microcontroller ports or any development kit using the low or high status – selected by jumper. Specification The VCC supply voltage: 5 V Activated by the low or high status – select with jumper H/L Relay: Coil voltage: 5 V Maximum load: AC 250V/10A, DC 30V/10A Maximum current: 10A Connectors:screw ARK connectors Board sizes: 50 x 45 mm Diameter of mounting holes: 3 mm Connection For proper operation, it is sufficient to connect the power to the relay coil and the digital control signal. The pins are the screw ARK connectors that are connected by any cables with the removed insulation at the ends. Module Interface: DC+ : positive power supply (VCC) DC- : negative power supply (GND) IN1, IN2 – control inputs of the relays activated by the high or low status Relay Outputs: NO : normally open relay interface COM : Common Interface Relays NC : normally closed relay interface High and low level trigger options: Jumper – to change the status of the activation of the relay: The L position – It is low level trigger when jumper connect to LOW pin The H position – It is high level trigger when jumper connect to HIGH pin Examples of application Driver of lighting The driver of actuators Switch for electric devices, including motors