2 Channel Relay Module 12v 5v 24v Dc 30a Relay Board Module Optocoupler Isolation High Low Trigger Industrial Grade Pcb Board Electrical Circuitry Par

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รีเลย์แบบ 4 ช่อง 5V relay module optocoupler isolation high and low level trigger MCU red board
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ขายแล้ว 9 ชิ้น
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