Relay Module 4 Channel 5V Isolated Relay Control

Description of Relay Module 4 Channel 5V Isolated Relay Control This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .   Similar Products from Techshop (with 1 year service warranty): 4 Channel 5V Relay Module (Click here)