Relay Module 5V 4CH Active High Trigger

Description

Overview This is a 5V 4-Channels optically isolated Relay module, It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and MSP430. 4 relays are included in this module, with “NC” ports means “Normally connected to COM” and “NO” ports means “Normally open to COM”. This module is also equipped with 4 LEDS to show the status of relays. Features 4 mechanical relays with status indicator LED Both “NC” and “NO” ports for each relay Relay Supply :5V Trigger Level: High 3.3-5V