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HALJIA DC Step Down Power Supply Adjustable Module with LCD Display Voltmeter Ammeter Display Acrylic Case, 5-23V to 0-16.5V Adjustable Buck Converter Voltage Regulator Stabilizer

Regular price $8.99

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  • Input voltage: 5-23V(23V MAX), used within 20V and with input reverse polarity protection
  • Adjustable buck converter, 0-16.5V continuously adjustable, save the last setting automatically
  • Left button: -voltage,Right button +voltage,single pressiing micro adjust 0.04V voltage
  • With transparent shell which helps protecting the step down volt regulator
  • STN LCD Screen Displays voltage and current at the same time

Specifications:
Converter type: DC-DC
Input voltage: 5~23V (Best voltage 20V)
Output voltage: 0V~16.5V (Continuously adjustable)
Peak current: 3A
Mainboard size: 50mm x 30mm x 12mm(LxWxH)
Display module: STN LCD
LCD size: 37.5mm x 17.0mm(LxW)

Calibration method:
Under power off situation, Holdind left button and power the supply,when the display begin flashing, release left button, with multimeter measuring the output voltage, by press the left and right button ,adjust the multimeter measuring voltage near 5V, such as 5.00V ,4.98V or 5.02V is ok too,at this situation,please ignore the displaying on this item. After adjustment,please power off it and then power to it again, then the calibration is completed. Errors can be calibrated in 0.04V, if the error is greater, you can try to calibrate it again.

Packing Listing:
1 x DC-DC step-down power suppl module
1 x Transparent shell