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4.64 out of 5
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  • 27/08/2021

    I received the product in good visible conditios and started to assemble as the specifications with great detail and precission. When I connected the power supply the circuit didn't work and can't measure any frequency. After many reviews and checks I noticed that the LDO 7559A-1 (5 volts regulator that supports 5V to 30V volts input) was very hot and the output voltage was 3.3 volts., connected with 5 volts USB from PC. I connected the circuit by less than 5 seconds to a 9 volts power supply, and the regulator output was 7,5 volts. and I disconnected quickly. I retired the 7550A-1 regulator and shortcuted the input-output of the regulator. Then I connected the circuit to de USB 5 volts power supply from PC and the circuit works propperly. Thank you Banggood for the commercial solution. All in all, the product is excellent and Banggood always offers the best solution for any trouble. Thank you Banggood

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  • 16/07/2022

    Well packaged and excellent delivery time (13 calendar days from order). From time to time I get in the mood for a kit build. I like to keep a few kits in stock in my hobbyist electronics lab so I have a choice of kits when the mood takes me. Who knows? I might even make something useful! This frequency meter looks like being a relaxing build.

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  • 16/02/2022

    A leírásnak megfelelően működik

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  • 30/01/2022

    Good quality product for price! would recommend!

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  • 11/10/2021

    It's all right, it's working fine. Thank you

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  • 30/09/2021

    Thumbs up - very simple build and working well.

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  • 08/09/2021

    assembly went well, simple to follow instructions. small form factor. might be better if an adjustment for calibration could be added. such as trim of clock osc., otherwise very satisfied with this product.

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  • 14/09/2023

    oke

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  • 08/06/2022

    I'm very pleased with it.

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  • 02/06/2022

    The item does not work, there is just a row of red dashes in the display! And when I tried to fill out the repair details on your service page, the page would not accept the photo showing the fault.

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