LM2596 DC-DC Step-Down Buck Converter Module with Voltage Display (40V 3A Adjustable Power Supply)

The LM2596 DC-DC Step-Down Module with Voltage Display is a compact and efficient buck converter designed to convert higher DC input voltages into a stable and adjustable lower output voltage. Based on the LM2596 switching regulator IC, this module features an onboard digital voltmeter that can display either the input or output voltage with the press of a button. It is ideal for powering electronic circuits, battery-powered devices, embedded systems, LED projects, and DIY power supplies. The high conversion efficiency and adjustable output voltage make it suitable for Arduino, ESP32, Raspberry Pi, STM32, and various industrial electronics applications.

Key Features -

• Based on LM2596 switching regulator IC

• Adjustable DC output voltage

• Built-in LED digital voltage display

• Displays input or output voltage

• High conversion efficiency

• Compact and lightweight design

• Onboard voltage adjustment potentiometer

• Voltmeter calibration function

• Easy screw terminal connections

• Suitable for power supply and battery projects

Specifications -

• Product type - DC-DC Step-Down Buck Converter Module

• Controller IC - LM2596

• Input voltage range - 4V to 40V DC

• Output voltage range - 1.3V to 37V DC Adjustable

• Maximum output current - 3A (2A Recommended for Continuous Operation)

• Display voltage range - 0V to 45V DC

• Display resolution - ±0.1V

• Conversion efficiency - Up to 92% Typical

• Regulation type - Switching Buck Converter

• Module dimensions - 65mm × 35mm

• Mounting type - PCB Module

Applications -

• Adjustable DC power supplies

• Arduino power systems

• ESP32 and ESP8266 projects

• Battery-powered devices

• LED lighting circuits

• Robotics

• Industrial electronics

• DIY electronics projects