12V 8 Channel Relay Module Board For Arduino Raspberry Pi

12V 8-Channel Relay Module Optocoupler Low Level Triger for Arduino Precise Module Description: 1, the module complies with international safety standards, the load control area and regional isolation tank; 2, using double-sided FR-4 circuit board design, high-end chip production process; 3, using loose music authentic relay control; 4, with the relay instructions, pull off, disconnect does not shine; 5, the signal input has a low signal, often beginning with a common terminal will be turned on; 6, the relay can control the various devices and the load; 7, 8 and 8 normally open normally closed contact; 8, blue KF301 terminals to the control line is more convenient. 9, Module size: 138m * 56mm * 18.5mm (L * W * H), Weight: 120g 10 with 4 fixing bolt holes, hole 3.1mm, pitch 131mm * 49.5mm 11, finished by 100% functional testing and stability testing Features 1.Using high-current relay, AC250V 10A DC30V 10A 2.Contact some independent wiring, safe and reliable 3.Standard interface, can be extended in a variety of development board 4.With fixed screw holes for easy installation 5.Suitable for a variety of platforms such as 51/AVR/AVR/ARM Module interface: 1, VCC: 5V power supply connected to the positive 2, GND: 5V power supply connected to the negative 3, IN1-IN8: trigger signal, active low Relay outputs: a 12-line interface, the interface can be directly connected to all leads, user-friendly 1, NO1 – NO8: normally open relay interfaces, relay before the vacant after the pull shorted with COM 2, COM1 – COM8 Relay Common Interface 3, NC1 – NC8: normally closed relay interface relay shorted with COM ago, after the pull-vacant Usage: