USB Buck Boost Module DC 3.5~12V 5V to DC 1.2-24V 3.3V 9V 12V 24V Adjustable Output Digital Display Step Up Down Power Module


This power supply is very convenient to use. You can easily output 1.2V to 24V adjustable voltage with power of 3W by plugging in USB or micro USB. It is very suitable for technical engineers to develop, debug instrumentation, after-sales engineer maintenance, and supply power to instrumentation.

Direction of Potentiometer Knob:

  • clockwise--increase voltage;
  • counterclockwise--decrease voltage.

Using Steps:

  • Input voltage from Standard USB or Micro USB or ‘VIN+’ and ‘VIN-’;
  • Turn ON display screen;
  • Adjust potentiometer to get the required voltage;
  • Connect load.


The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully!

Manual measurement, with small error. Please check size in detail before purchase.

Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness.


  • Input Voltage: 3.5V~12V, support USB and micro USB 5V
  • Output Voltage: Adjustable 1.2~24V
  • Output Power:
  • When output voltage is 1.2v~2v, please use it within 2W
  • When output voltage is 2v~20v, please use it within 3W
  • When output voltage is 20v~24v, please use it within 2.5W
  • Output power = output voltage × output current
  • Display: 3-Bit digital display
  • Size: 64*22mm

4.99 JD
In stock

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