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DC-DC Adjustable Step-Down Voltage Regulator Module. With Volt Meter.
DC Buck Converter Step Down DC to DC Converter 12V 24V 7-36V to 1.25-32V 12V 5V Volt Reducer Board Board Voltage Regulator Power Supply Module with LED Display USB Output & CC
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30V~10A Auto Step-Up/Step-Down DC-DC Converter Module – HandsOn Tech
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MP2315 Mini Adjustable DC-DC Step-Down Module - ProtoSupplies
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600W DC-DC Step-up Transformer - 10-60V in, 12-80V out
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