Microprocessor based frequency counter up to 70MHz – Herbert Dingfelder – DL5NEG
Crystal Tester
DIY Digital LED 1Hz-50MHz Crystal Oscillator Frequency Counter Meter Tester Kit - Walmart.com
8051 Microcontroller based Frequency Counter
Microprocessor based frequency counter up to 70MHz – Herbert Dingfelder – DL5NEG
Amazon.com: Frequency Meter Based on PIC microcontroller Crystal Oscillator Tester Module Kit DIY Frequency Meter : Industrial & Scientific
Cheap Frequency Counter based on MSP430 - Hackster.io
Frequency counter with a PIC and minimum hardware - jpralves.net
A PIC based frequency counter kit - part 1:building and modifying - YouTube
Frequency Counter Using Arduino - ElectronicsHub
Frequency Counter Circuit Working and Applications
Frequency counter with PIC16F628A - Electronics-Lab.com
ZL2PD Five-digit LED Frequency Counter
Signal Frequency Counter, Easy To Operate Long Service Life For Home - Walmart.com
Amazon.com: Zyyini Frequency Meter Based on PIC microcontroller 1Hz-50MHz Measuring Frequency Range with 5 Digits Digital Tu : Industrial & Scientific
100MHz frequency counter with PIC16F628A - LCD Display - Electronics-Lab.com
Making a frequency meter using PIC16F628A in CCS PICC – DIY Electronics Projects
PIC Frequency Counter: Make One With no External Components!
Goodhd 1Hz-50MHz Crystal Oscillator Frequency Counter Meter Tester DIY LED DISPLAY KIT - Walmart.com
Amazon.com: Crystal Oscillator Frequency Counter Tester Meter, DIY 1Hz-50MHz Frequency Indicator Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display Red : Industrial & Scientific
Arduino precision frequency counter 5 or 120 MHz hits Kickstarter - Geeky Gadgets
PIC Frequency Counter
Frequency Counter Circuit Working and Applications
USBcount50 50MHz USB pen-style Frequency/Period Counter, Synchrotech
