LM2596 DC-DC Buck Converter Module with Digital Voltmeter – Adjustable Step-Down Power Supply

⚡ LM2596 DC-DC Buck Converter Module with Digital Voltmeter – Adjustable Step-Down Power Supply

This LM2596 Buck Converter Module with integrated digital voltmeter is a versatile and user-friendly DC-DC step-down power supply, ideal for powering Arduino boards, LED strips, motors, sensors, and other devices that require stable, adjustable voltages.

Based on the reliable LM2596 switching regulator IC, this module can step down voltages from 4V–40V to a lower adjustable output between 1.25V and 35V. The built-in digital display allows real-time monitoring of either input or output voltage at the press of a button, making it especially useful for DIY power supplies, prototyping, and voltage-sensitive applications.

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✅ Key Features:

• 🧠 IC Used: LM2596S Step-Down Switching Regulator

• 🔌 Input Voltage: 4V to 40V DC

• ⚡ Output Voltage: 1.25V to 35V DC (adjustable)

• 💡 Output Current: Up to 2A continuous (3A peak with heatsink)

• 📟 Voltmeter Display:

  • 3-digit LED display

  • Switch to toggle between input/output voltage view

• 🎚️ Voltage Adjustment: Multi-turn potentiometer for fine tuning

• 📐 Switching Frequency: ~150 kHz

• 🌟 High Efficiency: Up to 92%

• 🔧 Mounting Holes: Easy to integrate into enclosures or panels

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🧰 Applications:

• Custom adjustable power supplies

• Powering Arduino, ESP32, STM32 microcontrollers

• LED strip lighting and fans

• Battery chargers and regulators

• Car or motorcycle USB mods

• IoT and automation prototypes

• DIY electronics labs and projects

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🔗 Why Choose the LM2596 with Voltmeter?

This module combines efficient power regulation with a clear digital display, giving you precise control and visibility of your voltage settings in real-time. It’s a perfect tool for students, hobbyists, and engineers working on prototyping, testing, or embedded systems.

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📦 Package Includes:

• 1 x LM2596 DC-DC Adjustable Buck Converter Module with Digital Voltmeter

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🔍 Keywords:

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