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  • 12/04/2021

    I am happy with the units, all working, despite the small chances, based on the "law of total probability", they arrived without damage, small eggs and bricks in the same bag without protection is something very peculiar, the assembly of the components is not 100% aligned . The output voltage remained constant even with extreme variation in the input voltage, below 5v is too extreme, without load or with varying loads, in multimeters aneng and hikari the voltage remained stable, varying only at the voltage input, according to load    #  Estou feliz com as unidades, todas funcionando, apesar das pequenas chances, baseado na "lei da probabilidade total", chegaram sem danos, pequenos ovos e tijolos na mesma sacola sem proteção é algo muito peculiar, a montagem dos componentes não é 100% alinhada. A tensão de saída se manteve constante mesmo com variação extrema na tensão de entrada, abaixo de 5v é extremo demais, sem carga ou com cargas variadas, nos multimetros aneng e hikari a tensão permaneceu estável, variando apenas na entrada de tensão, de acordo com a carga.

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  • 16/04/2018

    In general, it is good, but if the input voltage drops below 3.5V, the output voltage will be triggered up to the maximum output, around 30V. Be careful with that "detail" !!!

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  • Sharif

    works just fine as described definitely i will buy it again, i attached photos for different values.

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  • 20/01/2018

    The thing that impressed me is this regulator has got an inductor coupled with the capacitor in the output section which most of these cheap regulators lack. Thus we get good filtered output. All over Good quality board. Tested them and they work as advertised.

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  • 25/07/2019

    Super ces petits convertisseur, ils augmentent ou abaissent la tension de sortie de 1,2v à 35v selon la tension d'entré compris entre 3,8v à 32v. En plus ils sont compact, je vais sûrement en recommander d'autre. Très bon produit.

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  • 23/01/2018

    Реально классная плата. Выставил нужное напряжение и голова не болит что там на входе. Конвертер сам добавит напряжение или убавит лишнее. Широкий диапазон напряжений, идеально для солнечной батареи.

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  • 22/10/2020

    very good,quick service,it was delivered early

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  • 10/12/2016

    It is a good part but you have to be careful when your voltage rises from 0V upwards. This can happen if a solar panel gets only a bit of sun. I have set up the output voltage on 5V at an input voltage of 12V. If you stay in the specified voltage range it works very well. At about 3V as input voltage the output goes up to 17V (on the output was a load of 100 Ohm)! That may can damage your device connected on the output. It decreases as soon as you reach the minimum specified input voltage. So make sure to operate in the specified input voltage range or build an output protection circuit.

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  • 03/02/2021

    Construction ok. Work fine.

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  • 14/01/2021


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