R223B01 DC 12V 1 Channel DB9 Serial Port Time Delay Relay RS232 UART Multi-Function Remote Control Switch Relay Board Practical

R223B01 DC 12V 1 Channel DB9 Serial Port Time Delay Relay RS232 UART Multi-Function Remote Control Switch Relay Board Practical
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sku: 1005006236774071
$8.45
Shipping from: China
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