Improving the PIC based frequency counter kit - #208

Lockdown Electronics 2,395 lượt xem 3 weeks ago

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Improving the PIC based frequency counter kit - #208

Some simple additions to this cheap and cheerful counter kit.

Original video from Sept 2020
https://youtu.be/nkta_2PVzJU?si=PrFL5-lk_6wtfOAg

PIC

Frequency counter

Electronics kit

Schmitt trigger

Buffer

Buffer amp

2N2222

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