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DPDT Relay Module Reverse Polarity Switch ARDUINO UNO MEGA Development Board

DPDT Relay Module Reverse Polarity Switch ARDUINO UNO MEGA Development Board

$ 3.75

Amount
In stock

Widely-used, suitable for many kinds of electric appliances. Sufficient voltage and steady current. All the product will send after good package. . Features : Small size, convinent for carrying and storing. Good in quality but inexpensive. Easy to operate and very safe.


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