LM2596 Buck Step-down Power Converter Module DC 4.0-40 to 1.3-37V LED Voltmeter
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LM2596 Buck Step-down Power Converter Module DC 4.0-40 to 1.3-37V LED Voltmeter

$12.49
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Features: 100% brand new and high quality Input voltage range:4-40VDC Output voltage range:1.25-37DC adjustable Output current:2A Voltmeter range:0 to 40V,error +-0.1V Input reverse polarity protection Built in output short protection function Built in thermal shut dowen function L x W x H=6.1 x 3.4 x12cm(approx.) LED digital voltmeter tube,the accuracy is adjustable function,can be aimed at your multimeter adjustable accurate Press the right key to let the dispaly show the input or output voltage.when the right" OUT" led light,it shows output,the left "in" led show input How to adjust the accuracy? Output voltage calibration steps Step 1, adjust the right button so that "OUT" LED lighted, the voltmeter shows the value of output voltage; Press the right button for more than 2 seconds, release, voltmeter and "OUT" LED flashes in synchronization so that you enter the output vo

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