Buck Converter Module LM 2596 with LED Blue 4-40V to 1.25-37V

What is this?This module can be used in the field of voltage reduction where the input voltage is higher than the output voltage, such as batteries, DIY mobile power supplies, communication equipment power supplies, and various occasions with strict requirements on volume and weight (such as aircraft models), power transformers, DIY adjustable voltage regulators, vehicle-mounted notebook power supplies, industrial equipment voltage reduction, etc.What will I get?Product Type: Adjustable Buck ModuleModel: LM 2596 with LED Display Voltmeter BlueOverall Size: 56x34x14mm/2.2x1.34x0.55 inchInput Voltage: 4-40VOutput Voltage: 1.

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