The DC-DC Buck Converter LM2596 with Display is a high-efficiency step-down voltage regulator featuring an LED digital display for real-time voltage monitoring. This module allows users to convert a higher DC input voltage to a lower, stable output with precision, making it ideal for Arduino, Raspberry Pi, robotics, battery charging, and DIY electronics projects. The integrated display eliminates the need for a separate multimeter, ensuring accurate adjustment through its onboard potentiometer. Popular among students, hobbyists, and engineers in Bangladesh, the LM2596 is trusted for its durability, compact size, and reliable performance in both prototyping and permanent circuit designs.