We have 20 units of the 4 Channels 5V Relay Module in stock at our Sydney warehouse.
4 Channels 5V Relay Module
Itead's Description of the 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 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
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents by correcting the errors, adding more demo codes or tutorials.