hiBCTR 10 Packs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display

Additional Details from the Manufacturer

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More features

• Parameters: Input voltage is DC 4V - 40V, output voltage is DC 1.25V - 37V, continuously adjustable, with a max output current of 3A.
• High Precision: Comprises a 36u thickened PCB, high-Q inductor, and premium solid-state capacitors for effective high-frequency noise filtering, along with an output LED indicator, suitable for diverse electronic projects.
• LED Display: Features a voltage display with ±0.05V accuracy within 0 - 40V range. Note: Input voltage above 4V for accurate display.
• DIY Friendly: Connect to power, adjust the blue potentiometer screw with a mini screwdriver to vary output voltage, monitor with multimeter. Clockwise for voltage increase, counterclockwise for decrease. (Factory default is high voltage; ~7 - 15 turns needed for voltage drop, 1 turn = +/- 1V)
• Applications: Applicable where input voltage exceeds buck output, like batteries, power transformers, DIY adjustable power supplies, and useful in numerous electronic projects.