12V DC 2ch RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler

12V DC 2ch RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler
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sku: 1005006710920626
$7.15
Shipping from: China
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