16 Channel Relay Shield Module DC 5V 12V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

16 Channel Relay Shield Module DC 5V 12V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit
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sku: 1005003336813520
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$5.17
Shipping from: China
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