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Amazon.com: Dorhea 7PCS LM2596 DC to DC Buck Converter Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY Adjustable Power Supply Step Down Module : Electronics
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DC-DC 15A Power Supply Step Down Module CVCC 4V-32V to 1.2V-32V Buck Voltage Converter Synchronous Rectifier - Step Down Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
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LM2596S STEP-Down DC-DC Buck Converter with a 3-digit digital display
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