Видео с ютуба Very Low Cost Frequency Counter

#069 OPTO-8000 Frequency Counter and Other Work In Progress

The Top 5 Best Frequency Counter in 2025 - Must Watch Before Buying!

100MHz frequency counter with PIC16F628A

Обзор и тестирование частотомера, сделанного своими руками.

PIC Frequency Counter: Fixing the pulse-width problem (and getting beyond 100 MHz)

Cheap Frequency Counter from eBay

10Khz 50Mhz Frequency Counter DIY

500 KHz frequency counter using atmel controller 89c2051

Fixing a cheap UHF frequency counter

RF Signal Frequency Counter Review & Adjustment - 0 1MHz to 2 4GHz

Cheap way to increase the input sensitivity of your frequency counter.

FA-2 Precision 6Ghz Frequency counter demo.

1Hz-50MHz Crystal Oscillator Frequency Counter Tester Kit Build

DIY Frequency Counter Without Microcontroller

Frequency counter kit build and test

Frequency Generator / Counter - Low Cost (Unbox & Basics)

#1313 I have too many frequency counters

An Inexpensive Frequency Display

JUNK SHOW: $6 DIY Frequency Counter Crystal Tester

Lazy Sunday: Frequency Counter - LS15