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Amazon.com: KNACRO LM317 LM337 Adjustable Voltage Regulator Power Supply Board ±5 ±9V ±12V ±15 ±24 ±18V ±24V ±36V ±1.25V to ±37V DC Output : Electronics
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Amazon.com: KNACRO LM317 LM337 Adjustable Voltage Regulator Power Supply Board ±5 ±9V ±12V ±15 ±24 ±18V ±24V ±36V ±1.25V to ±37V DC Output : Electronics
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