4CH MOS Transistor 8CH TTL DC 12V 24V RS485 Modbus RTU Control Module Protocol AT Instruction Multifunctional Relay Board PLC

4CH MOS Transistor 8CH TTL DC 12V 24V RS485 Modbus RTU Control Module Protocol AT Instruction Multifunctional Relay Board PLC
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sku: 1005005443427786
$4.16
Shipping from: China
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