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Yuly Hot DC 5.5x2.1mm Male Plug to Micro USB Female Connector Adapter Charge Converter

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$3.21
Average
$3.18
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$3.12
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$3.22
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Product review & video
hi everyone today I'm going to take a look at this boost converter that I got from eBay and it's pretty cheap I can use earn one or two dollars you feed in sly bolts using the micro USB cable and then you have an adjustable output anywhere up to 28 volts so 5 volts in and up to 28 volts out this will be very useful for doing experiment around the home if you want a very simple adjustable voltage power supply so let's plug this in and take a closer look so I've got it plugged into a USB power bank and you can see it's currently measuring 10 point 7 volts and if I adjust the pot here we should see that increase there you go 11 volts 12 volts and I can take that all the way up to 28 volts and I'm not going to go all the way there because it's a little bit awkward holding my probes on this so let's put a connector on this we can measure it much more easily so I've sold it on this DC jack an
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