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5PCS Mini DC-DC Boost Step Up Converter 3V 3.2V 3.3V 3.7V 5V 9V to 12V Voltage Regulator PCB Board Module can set 5V/ 8V/ 9V International Power Cords - Newegg.com
Science and Technology. - 3.7v to 12v DC to DC boost converter. Check the circuit bellow. | Facebook
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Mini Dc-dc Boost Step Up Converter 3v 3.2v 3.3v 3.7v 5v 9v To 12v Voltage Regulator Pcb Board Module Can Set 5v/ 8v/ 9v - Integrated Circuits - AliExpress
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