PIC 16F628 Frequency Counter with RS232 output in a DB9 backshell by Jan Panteltje
Frequency Meter / Frequency Counter 10Hz-60MHz
100MHz frequency counter with PIC16F628A - LCD Display - Electronics-Lab.com
100MHz frequency counter with PIC16F628A – LED Display
Counter Circuits with PIC16F628 PIC16F84 PIC16F877 – Electronics Projects Circuits
DL4YHF Frequency Counter W/PIC16F628
Frequency Counter( Mine Worked Up to 70MHz) Using PIC 16F628A (with Prototype PCB and Built in Crystal Oscillator) for HAM Shacks : 5 Steps - Instructables
LCD digital Clock using PIC16F628 under Clock Circuits -7396- : Next.gr
An Easy to build & multifunctional counter with 7-Segment Led Display using PIC16F628 microcontroller
50 MHz Frequency Counter
Contador Digital PIC 16F628 - Digital Counter With Stop relay - YouTube
Frequency counter with PIC16F628A - Electronics-Lab.com
Frequency counter with PIC and 4- to 5-digit LED display
Frequency counter with PIC16F628A Circuit - EasyEDA open source hardware lab
Frequency Counter by PIC16F628 - EEWeb
35MHZ Microchip PIC 16F628/A frequency counter
Frequency Meter.
Frequency counter with PIC16F628A - Electronics-Lab.com
Making a frequency meter using PIC16F628A in CCS PICC – DIY Electronics Projects