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 also equipped with 4 LEDS to show the status of relays.
- 4 mechanical relays with status indicator LED
- Both NC and NO ports for each relay
|8.0 x 4.8 x 2.0cm