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Relay modules suitable for switching of higher voltages and perfect for use with microcontrollers including Arduino, ARM, AVR and PIC. The relays used are rated up to 10A and have NO/NC contacts. Each..

This is a 5V 4-Channel Relay interface board, be able to control various appliances and other equipment with large current. It can be controlled directly by Microcontroller (for Arduino, 8051, AVR, PI..

8 Channel Relay Module with Opto-Isolator Protection (5V DC)1.    This module uses a genuine quality relay normally open interface.2.    SMD optocoupler isolati..