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  • September-10 2020 11:04:11

    A very good beginners kit suitable to introduce someone to electronics.

  • April-02 2020 20:23:39

    Product as description. Assembled kit and tested. Working ok as supposed to. Recommend.

  • June-30 2020 12:49:16

    There aren’t user manual and schematics

  • June-24 2018 04:50:59

    I assembled it within an hour. It is working properly. Instructions manual is in Chinese it should be english. At89c2051 is working properly no problem except one red led which has not Working so I replaced it. Good Design. I am very impressed with the P.C.B. of this clock. PCB as provided on Banggood is very very good it is Glass epoxy type. It is a very good project for new comer in electronics by making this DIY kit. very prompt and quick service by Banggood. Thanks

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  • January-27 2018 02:49:05

    fonctionne bien assez simple a monter sa vous prendras 3h en prenant votre temps à alimenter en 5v surtout car mettre du 12v sa fait peur. ( ps pour la résistance "0 ohm" c'est pas un fil il y a vraiment une resistance de 0 ohm dans le sacher

  • March-04 2019 03:18:58

    Overall a nice little project for a fair price. Some detailed points: - The received PCB did not match the figures precisely, but the PCB had the same functionality as the one in the figure, plus a power jack power input. - PCB was self-explanatory, and therefore beginner-friendly. - A component appeared to be missing: "L1". After looking at the circuit closely, it turned out that it simply needed a zero ohm resistor (i.e., wire), which was unclear. (See brown wire in my figure.) - The buzzer is impossibly

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  • August-26 2018 10:20:07

    Nice kit - Easy to assemble. One track over etched and track open cct - see photo for repaired track. One of the 3mm red LED's not working and I replaced it but didn't match brightness.

  • March-20 2019 15:32:29

    Received product was not identical to the photos, but seems to be a new version which now also has a power jack input. It was easy to figure out where to connect all parts. Overall a good little project! The only disappointment is the "alarm" function: the buzzer only sounds for three seconds at a ridiculously low volume. This seems to be a software issue to me, as the buzzer does sound very loud when the "countdown" function is used, and the buzzer is connected to only one pin of the IC.

  • December-10 2017 11:00:19

    5 V-12 V AT89C2051 Multifunktions Sechs Digitale LED DIY ...,very much fun,Philipp Germany

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  • January-15 2020 05:44:54

    produkt dotarł


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