8 Channel Relay Module Opto-Isolator 5V For Robotic Arduino Rasberry

Descriptions:

The relay module is a digital switch to control much higher voltages and currents which are out of the abilities of your Arduino or microcontroller. Whenever switching a device with high voltage or draw high current, a relay will be needed.

When a logic input is given, the relay will switch to allow current to flow or cut-off dependent on the wiring. A relay usually consist of a coil, 1 common terminal, 1 normally closed terminal and one normally open terminal. The common terminal and the normally open terminal will be connected when the coil is energized.  The VCC and JD-VCC need to be connected with jumper when using this module.

Technical details:

-          Operating voltage of 5V

-          Capable of conducting 250VAC@10A or 30VDC@10A.

-          Connect JD-VCC and VCC with jumper

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