Adjustable LM2596 Buck Converter Module with Onboard LED Voltmeter

This electronic module is an adjustable LM2596 power module built around a blue PCB with a central LM2596S regulator chip and onboard components for compact power control. Designed as a stepdown converter, it reduces a greater DC input to a lower adjustable output for stable voltage regulation in small electronic projects. The DC-DC buck module includes a black 3-digit LED voltmeter display that can display either input voltage or output voltage on the same board. Screw terminal blocks and clearly labeled input/output connection points make the voltage regulator board straightforward to wire into test setups and DIY circuits. A small onboard adjustment button lets you fine-tune the output voltage, helping match the module to different loads and application needs.