5V With Optocoupler Relay Output KY-019 1/2/4/6/8 Way Relay Module For PIC AVR DSP ARM for arduino Relay

5V With Optocoupler Relay Output KY-019 1/2/4/6/8 Way Relay Module For PIC AVR DSP ARM for arduino Relay
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sku: 1005002931574205
$2.06
Shipping from: China
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