onechance Relay Module Control for Arduino Dsp Avr Pic Arm, Blue Micro Controller Board Micro Controller Board Electronic Hobby Kit

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, PIC, DSP, ARM, ARM, MSP430, TTL logic).4 Channel Relay Module board is used to interface any Micro controller with Electrical Appliances/Loads. Can also be used in driving high power motors. 4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective.