Lm2596 Dc-Dc Step-Down Converter. Buck Boost.

Features: Input voltage: 4-40VDC Output voltage: 1.25-37VDC adjustable Output current: 2A Volt meter range: 0-40V Reverse polarity protection Output short protection Thermal shutdown Press the right key to toggle between input and output voltage display Calibration Steps: Output Voltage: Press right button to show output voltage. Press for 2+ seconds to enter calibration mode (flashing "OUT" LED). Use buttons to adjust voltage by increments of 0.1V. Press and hold right button for 2+ seconds to save and exit calibration. Input Voltage: Press right button to show input voltage. Press for 2+ seconds to enter calibration mode (flashing "IN" LED). Note: If output voltage equals input voltage, rotate the potentiometer counterclockwise 10+ times to adjust. Package Includes: 1 x LM2596 DC-DC Buck Converter