3RELAY MODULE 8-CHANNELS 5V WITH 8LED for Arduino, AVR, PIC, ARM,MSP430,.. (ER-ARE00108SL ) 

This is a 5V 8-Channels Relay module, It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and MSP430. 8 relays are included in this module, with “NC” ports means “Normally connected to COM” and “NO” ports means “Normally open to COM”. This module also equipped with 8 LEDS to show the status of relays.

Schematic

SCH_IM120525003_8Channel_5VRelay.pdf