Frequency counter with PIC16F628A - Electronics-Lab.com
LCD digital Clock using PIC16F628 under Clock Circuits -7396- : Next.gr
Frequency Counter by PIC16F628 - EEWeb
35MHZ Microchip PIC 16F628/A frequency counter
Frequency Counter( Mine Worked Up to 70MHz) Using PIC 16F628A (with Prototype PCB and Built in Crystal Oscillator) for HAM Shacks : 5 Steps - Instructables
An Easy to build & multifunctional counter with 7-Segment Led Display using PIC16F628 microcontroller
100MHz frequency counter with PIC16F628A – LED Display
100MHz frequency counter with PIC16F628A - LCD Display - Electronics-Lab.com