LM2596 DC-DC Buck Converter Step-Down Power Module Output 1.25V-35V
 

This is an LM2596 DC-DC buck converter step-down power module
with high-precision potentiometer, capable of driving a load up to 3A with high efficiency,
which can work with Iteaduino UNO, other mainboards and basic modules. When the output current keeps greater than 2.5A (or output power greater than 10W),
please add a heat sink on it.