Видео с ютуба Very Low Cost Frequency Counter
Hjalfi builds a $10 frequency counter
#069 OPTO-8000 Frequency Counter and Other Work In Progress
PLJ-8LED (clone) frequency counter: useful - but has issues
MD Lab: DIY Frequency Counter For Under $25
The completed Frequency Counter kit
The Top 5 Best Frequency Counter in 2025 - Must Watch Before Buying!
Обзор и тестирование частотомера, сделанного своими руками.
Want Accurate Readings? You Need to See This AliExpress Frequency Counter Followup
GET YOUR FREQUENCY COUNTER & MULTIBAND ANALOG RADIO ON JUST ONE DEVICE TALKPOD A36 PLUS! #PROGRAM
10Khz 50Mhz Frequency Counter DIY
Frequency Generator / Counter - Low Cost (Unbox & Basics)
Cheap Chinese Frequency Counter with a simple modification!
Handmade Crystal Tester Frequency Counter 1 - 50 MHZ
The Heathkit IB-1101 Frequency Counter
#060 Anritsu MF1603A Frequency Counter 3 Ghz 10 Digits in 1 Sec
500 KHz frequency counter using atmel controller 89c2051
1Hz-50MHz Crystal Oscillator Frequency Counter Tester Kit Build
DIY Frequency Counter Without Microcontroller
An Inexpensive Frequency Display
Модуль ЖК-частотомера - № 205