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