LM-2596S DC-DC Buck Converte Adjustable 4.0-40V to 1.25-37V Voltage Regulator Power Supply Module,Step Down Voltage Stabilizer Converte with Digital Voltmeter Display(4 Pack)

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• 【Shipping List】 YIMATEECO Provides: ⚡4x [LM-2596s DC-DC Buck Converter with Digital Display(Blue)] +⚡10 x [ DuPont Wire(Color)]+⚡2 x [22*80mm Heat Shrink Tube (Black)]
• ⭐【Precise Voltage Reduction】Input voltage 4.0V - 40V, output voltage 1.25V - 37V, conversion efficiency up to 92%, the step-down power supply board accurately adjusts the output voltage through the potentiometer to meet the power supply requirements of different devices. If the module output voltage cannot be adjusted and is always equal to the input voltage, turn the potentiometer counterclockwise for more than 10 turns, and then use the module to adjust the voltage normally.
• ⭐【LED Screen Display】 The adjustable buck converter is equipped with an LED voltmeter display, which displays the input and output voltages in real time. The digital voltmeter is clear and intuitive. No additional measuring tools are required to measure the voltage, and the voltage range can be accurately controlled.
• ⭐【Easy to Use】The LM-2596 step-down converter module has terminal blocks, which can be used easily without a soldering iron, and the solder wire connection points are retained, without complex debugging, which is convenient and fast.
• ⭐【Application】The LM-2596 voltage regulator converter is suitable for a variety of applications, such as batteries, power transformers, vehicle-mounted electronic equipment, industrial control, smart home, DIY adjustable voltage regulator, etc.