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4 relay module optocoupler isolation module control board 12V DC12V optional

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10 Pieces(Min. Order)

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Product Details

4 relay module optocoupler isolation module control board 12V DC12V optional

4 opto isolation module board relay module optional 12V DC12V

Module size: 7cm * 5.3cm

Low level control pull

Can control a variety of household appliances, and high current load

【Features】

Using a large current relay, AC250V 10A DC30V 10A

Contact part of the independent wiring, safe and reliable

Standard interface, you can expand on a variety of development boards

With fixed screw holes, easy to install

Applicable to 51 / AVR / AVR / ARM and other platforms

【Products include】

4 relay extension board

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PCB(Printed Circuit Board)	Electronic Components	PCB Assembly	Integrated Circuits
Multilayer PCB