1/4PCS 1CH DC12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Switch Module For PLC 3D Printer LED Lighting Control

1/4PCS 1CH DC12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Switch Module For PLC 3D Printer LED Lighting Control
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sku: 1005005713603182
$8.95
Shipping from: China
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