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DC 12V 24V 8ch USB Serial Port Relay Optically isolated IO Module UART RS232 Switch Board CH340 for WIN10 WIN7 Linux MAX OS

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sku: 1005007325629731

$11.70+1%

$11.83

Shipping from: China

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UD74B08 DC 12V 24V 8ch USB Serial Port Relay Optically isolated IO Module UART RS232 Switch Board CH340 for WIN10 WIN7 Linux MAX

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