Relay Module KY-019 DC 5V 1 Channel Relay Module Board Shield Optocoupler Relay Module For PIC AVR DSP ARM for Arduino Relay

Relay Module KY-019 DC 5V 1 Channel Relay Module Board Shield Optocoupler Relay Module For PIC AVR DSP ARM for Arduino Relay
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sku: 1005009339369319
$3.10
Shipping from: China
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