Dorhea MT3608 DCDC Step Up Boost Power Converter 2A Module Adjustable Step Up Voltage Regulator Board 224V to 5V28V Output Voltage Pack of 10

Mini DCDC step up voltage regulator with DC 224V input and 5V28V outputjust connected with USB power adapter then you can get 9V 12V 18V 24V voltge Equipped with MT3608 voltage booster chip with high conversion efficiency up to 93 Widely used for storage battery power transformers DIY adjustable regulated power supply industrial equipment 5V 9V 12V 28V output etc MT3608 includes undervoltage lockout current limiting and thermal overload protection to prevent damage in the event of an output overload Note Before the first use the module is not powered and not connected to the load the blue potentiometer copper head a word mouth adjustment cap aligned with the direction of the chest counterclockwise rotation of the potentiometer to the end of the ta sound and then clockwise rotation of the potentiometer more than 30 turns and finally connected to the power supply using a multimeter to monitor the modules output voltage to achieve the desired voltage