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50MHz Crystal Oscillator Frequency Counter Tester DIY Kit 5 Digits Resolution

50MHz Crystal Oscillator Frequency Counter Tester DIY Kit 5 Digits Resolution

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This frequency counter DIY kit is easy to install and debug. Its frequency range is 1Hz-50MHz.

Designed to measure the oscillation frequency of most crystal oscillators.
Based on PIC microcontroller, can measure frequency from 1Hz to 50MHz.
Five digits accuracy, for example: x.xxxx kHz, x.xxxx MHz, or MHz.
Optional power-saving mode: can automatically turns the display off if the frequency didn't change significantly within 15 seconds.
General USB interface can be used for power supply, external power supply or 9V battery also can be used.
Very low component count: a PIC 16F628, 5 7-segment LED displays, a 20-MHz crystal and a few resistors.
Simple construction, compact design, easy to install and debug.

Installation Detail:

Pictures of testing process are just for reference, please in kind prevail!

Material: PCB
Color: Red
Frequency Range: 1Hz-50MHz
Assembled Item Size: 8 * 5.5 * 0.7cm / 3.2 * 2.2 * 0.3in
Package Size: 12.5 * 9 * 2cm / 4.9 * 3.5 * 0.8in
Package Weight: 34g / 1.2oz

Package List:
1 * Frequency Counter


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Customer Reviews

Average Rating:


based on 68 Customer Reviews

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  • By k***m

    May 5, 2017

    quick ship .. as advertised ... good support

    Is this helpful? (0) (0)

  • By g***t

    January 14, 2016

    Very quick delivery Goods exactly as described and in excellent condition

    Is this helpful? (0) (0)

  • By i***o

    January 13, 2016

    Alles Okay, vieleicht hat auch die Post geschlafen.

    Is this helpful? (0) (0)

  • By w***s

    January 7, 2016

    I have received the ordered products in good condition and very VERY quickly.

    Is this helpful? (0) (0)

  • By p***e

    January 6, 2016


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  • By z***y

    January 4, 2016

    absence de la documentation

    Is this helpful? (0) (0)

  • By m***1

    January 4, 2016

    Received item by return of post, no problem. Excellent service.

    Is this helpful? (0) (0)

  • By m***r

    December 23, 2015

    Item as described, promptly delivered. Highly Recommended

    Is this helpful? (0) (0)

  • By m***c

    December 18, 2015

    Alles in bester ordnung

    Is this helpful? (0) (0)

  • By g***s

    September 30, 2015

    No probs, thanks

    Is this helpful? (0) (0)

  • By b***e

    September 25, 2015

    alles ok

    Is this helpful? (0) (0)

  • By j***4

    September 25, 2015

    Matériel reçu Ok

    Is this helpful? (0) (0)

  • By r***n

    September 24, 2015

    Good condition, fast shipping. Thanks a lot!

    Is this helpful? (0) (0)

  • By b***0

    September 11, 2015

    Gute Ware,guter Preis,schnelle Lieferung,keine Probleme

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  • By j***r

    September 8, 2015

    Alles OK

    Is this helpful? (0) (0)

  • By m***k

    September 8, 2015

    All ok-tnx !

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  • By b***l

    September 6, 2015

    Perfect, good product

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  • By m***l

    September 5, 2015


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  • By j***r

    August 30, 2015

    Sehr, sehr schnell und gut, DANKE !!

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  • By h***o

    April 30, 2015


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