Buck Converter with LED display

USD $9.09

DC-DC Converter Step Down Power Module LED Display Output 1.25V-37V

In stock (can be backordered)



Need a high quality power supply for your project?  Here's a very cool piece of kit. Feed up to 40V into this guy and get anything from 1.25 - 37VDC out, with up to 2A continuous (assuming your input has sufficient power)! Top it all off with a built-in voltage meter for easy adjustment.


  • Voltage Display of Vin and Vout
  • Voltage accuracy: +-0.05V
  • Input Voltage Range: 4.0 - 40V (must be 1.5V higher than Vout)
  • Output Voltage Range: 1.25 - 37V
  • Left switch: Voltage Display On/Off Switch
  • Right Switch: Voltage Display toggle (in/out)
  • Voltmeter Calibration
  • Peak Current: 3A
  • Nominal Current: 2A
  • Maximum Power: 15W
  • Size:6.1*3.4*12cm


  • To adjust output voltage, adjust the multi-turn trim pot using a screw driver while measuring the output voltage on a voltmeter.
  • To ensure that the voltage meter accuracy, please make sure that the input voltage is 4.5V or more.
  • Voltmeter fine-tuning: hold down the Right button for 1-2 seconds and release to enter fine-tuning mode, then adjust voltage display up or down by pressing left or right buttons.  Once configured, press and hold Right button for 1-2 seconds to exit fine tuning mode.
  • The Voltage Meter can be turned off, for minimum power loss. To do so, press and release the left button until the display disappears.


Additional information

Weight 0.0221 kg
Dimensions 9 × 7 × 1.5 cm


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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.

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