A PIC based frequency counter kit - part 1:building and modifying

Описание к видео A PIC based frequency counter kit - part 1:building and modifying

This video is about building and modifying a PIC frequency counter and crystal tester in kit form sold on the internet under many names, for example "1Hz-50MHz Digital LED DIY Kits Crystal Oscillator Frequency Counter Tester"

Part 1 describes how to modify the unused crystal testing part of the circuit into a pre-amplifier for the frequency input. I am also briefly touching on some firmware issues which are further investigated and fixed in part 2.    • A PIC based frequency counter kit - p...  

The kits on the internet "forget" to mention that the original counter circuit and firmware were developed by Wolfgang "Wolf" Büscher, DL4YHF
http://www.qsl.net/dl4yhf/freq_counte...

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