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4.91 out of 5
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  • 07/04/2022

    The USB dongle arrived in a perfectly sealed anti-static bag. It's LCD display is bright and has big digits. It featurs a solid precise potensiometer and a display button. The soldering on the PCB is good and USB-A connector feels sturdy. I thoroughly tested it connected to a mini laboratory power supply and electronic load. It worked great without issues. I measured a max output voltage of 25.6V. and a max output current load of 0.7A. The input and output is very stable. I should point out that it can output lower voltage than the input voltage which makes it a perfect tool for low-power electronic components.

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  • 25/03/2019

    Very good and easy to use. The voltage varies from 0.6V to 25V.

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  • 31/01/2022

    Very reliable converter with independent inputs and outputs. It comes in a sealed anti static bag. It is great that the output voltage is adjusted via a potensiometer. I tested it in full load and worked great like I expected. Has decent accuracy and very stable input, output. It is able to output lower voltage then input voltage so I'm using this converter to power my 3mm LEDs of 3.2V. In addition, this USB dongle makes an excellent project for many applications. Highly recommended.

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  • 24/02/2019

    A great aid, powered by a 5 volt USB, produces a voltage of 1 - 26 volts

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  • 01/12/2021

    Very good, met my expectations.

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  • 23/09/2019

    Seems to work as described.

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  • 09/03/2019

    good quality, works fine, even has an protective lid on the screen and arrived in time.

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  • 10/12/2019

    Work as described.

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  • 25/12/2022


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  • 09/12/2021

    love it works great just what i wanted dial works great changes voltage flawlessly ordering a few more they work so well and the product is constructed very well not cheap feeling or looking quality made piece thank you 💯

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