โมดูลแปลงไฟแบบปรับได้ LM2596 LM2596S DC-DC 1-20 ชิ้น 3.2-35V เป็น 1.25-35V ตัวแปลงแรงดันไฟฟ้าแบบลดขั้น

Wireless Bluetooth speaker, mini design with multiple functions as a clock, outdoor version subwoofer is powerful

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