4 Channel Relay Module

It is an 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Relay output maximum contact is AC250V 10A and DC30V 10A. Standard interface can be directly connected with microcontrollers. Red working status indicator lights are conducive to the safe use. Uses: 1, support all MCU control. 2, the industrial sector; 3, PLC control; 4, smart home control;