4 Channels 5V Relay Module
This is a 5V 4 Channels 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 LEDS to show the status of relays.
- 4 mechanical relays with status indicator LED
- Both “NC” and “NO” ports for each relay