OPENJUMPER 4-CH Relay Module Compatible with Arduino

Brand OPENJUMPER Model OJ-XM1139 Quantity 1 Color Red + blue Material PCB Features 4-CH digital relay module provide 4-CH input and output�� Can connect Max. 30V 10A or AC 250V 10A devices to control electric lamp and electrical machine�� etc; When using the Arduino do interactive projects�� many large current or high voltage equipments cannot use Arduino digital IO port to control directly (such as solenoid valves�� lights�� motors�� etc.)�� you can consider to use relay scheme to solve. Specification Power supply voltage: 5V; Drive voltage: 5V TTL; Contact: Each channel with normally open contact and normally-closed contact; DC 30V 10A or AC 250V 10A; Pin definition: S1: relay 1 signal input�� S2: relay 2 signal input; S3 relay 3 signal input; S4: Relay 4 signla input; +: VCC; -: GND Application Great for DIY project English Manual/Spec Yes Packing List 1 x Module