AOICRIE 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

This Relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A. Standard interface can be directly connected wIth for microcontrollers. Working status indicator lights are conducive to the safe use 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as for Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Widely used for all MCU control, industrial sector, PLC control, smart home control.