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Amazon.com: Jeanoko Electronic Transistors LM317 to 220 7805 7809 7812 7815 7905 7912 7915 Assorted Transistors Voltage Regulator Transistor for Home and Industry for DIY : תעשייה ומדע
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Amazon.com: Mini DC-DC Buck Step-Down Converter Adjustable Power Module 3.3V 3V 5V 9V 12V 3A : מוצרי חשמל
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