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  • 08/06/2021

    Main piece of the order, I'll do the assembly as soon as I can. Arrived after 17 days of order. Quality of PCB excellent.

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  • GijVIP4

    It's all there! So, I hope it will work, I don't see why it shouldn't. I haven't had a chance to mount it at the moment. If you need changes, I will follow the advice of other users.

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  • 17/02/2021

    Arrived within the 30 days much less, just to ride and test..Fui.kkk

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  • 17/08/2021

    I received the article a little late in good condition I have n't done the editing yet Thank you Banggoood

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  • 07/04/2021

    The shipment contained two sockets and was without a pic ... how do I get to the pic?

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  • 14/07/2021

    Perfect, Easy to build and worked first time

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  • 31/05/2021

    Great product, I recommend!

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  • 20/12/2020

    Thanks Banggood, will assemble later,

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  • 23/07/2017

    It is unexpectedly accurate for the price. However, my kit had the wrong size IC socket. It was a 16 pin socket instead of an 18 pin. Fortunately I have a huge supply of parts so I created a socket out of a machined header strip. I couldn't see making an issue out of a 30 cent part. Plus the instructions are barely adequate. You basically have depend on the silkscreen for part placement. To build it I used a fine soldering tip and AlphaMetals .015" no clean solder. I also recommend wearing an anti-static wrist strap while handling the parts. Despite being no-clean solder I cleaned the board anyway with 91% Isopropanol. Testing was problematic as there is no indication of what the signal level should be. The counter needs approx. 3v peak to work. Once it locked the accuracy was comparable to the readout accuracy of my O'Scope. I also tested it with a 3.58 MHz xtal and the reading was within the tolerance of the xtal. I intend to use this as a readout for my DDS RF source and will probably buffer the input with a home brew cascode JFET amplifier. I am willing to share my notes about this product if anyone has questions or difficulties.

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  • 03/07/2017

    I am very surprised with this tester/counter. Good quality parts (all parts are marked!) metal film resistors, low drop low power voltage regulator (good for battery). Very good PCB with solder stop mask and high quality shining tinning. Rounded edges of the PCB made of FR4. And the first time on a kit from china with a montage description in paper form! The housing is perfectly suitable too. Does it work as tester for crystals? YES! Does it work as frequency counter? YES! Would I buy this again? Of course! The power consumption is about 20 to 25 mA.

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