Valefod 10 Pack DC to DC High Efficiency Voltage Regulator 3235V to 12530V Buck Converter DIY Power Supply StepDown Module

High PrecisionThe buck converter consists of 36u thickened circuit boards highQ inductance with output LED indicator and superior solidstate capacitors that can effectively filter out high frequency noise Suitable for various electronic projects Input VoltageDC 32V to 35V input voltage must be 15V higher than the output voltage no boost Output VoltageDC 125V to 30V voltage is continuously adjustable maximum output current is 3A Mini Size45 23 14 mm with potentiometer 10pcs included Easy to DIYConnect to power source using a mini screwdriver to increase or decrease output voltage by adjusting the screw on the blue potentiometer and monitor voltage with multimeter to get the needed voltage clockwise to step up voltage and counterclockwise to stepdown voltage Factory default stays a high voltage you need to contrarotate about 715 circles before the voltage starts ramping down 1 circle means 1V