CC275: Build a Signal Frequency Counter - Circuit Cellar
Amazon.com: Ranjaner 1Hz-50MHz Frequency Counter Kit, DIY Module Board for Oscillator, Crystal Measure Frequency Meter Accessories : Industrial & Scientific
Strobe Frequency Counter – Arbor Scientific
100MHz frequency counter with PIC16F628A – LED Display
50 MHz Frequency Counter
1Hz to 7.3GHz RF Frequency Meter 500 kHz Pulse Accumulator Module
Frequency Counter With Variable Gate Time : 12 Steps (with Pictures) - Instructables
S4382 Series Microwave Frequency Counter - SALUKI
Build a Frequency Counter | Nuts & Volts Magazine
3GHz-40GHz Frequency Counter
Technoblogy - 100MHz Frequency Meter
Frequency Counter( Mine Worked Up to 70MHz) Using PIC 16F628A (with Prototype PCB and Built in Crystal Oscillator) for HAM Shacks : 5 Steps - Instructables
Hewlett Packard 5342A Frequency Counter 10Hz-18Ghz - Counters and Timers - BMI Surplus
53200 Series RF and Universal Frequency Counter / Timers | Keysight
FC-3000P Portable Frequency Counter/ Ctcss Meter — LATNEX
Amazon.com: FA-2 Plus 12GHz Frequency Counter Frequency Meter 11Bit/Sec 10MHz OCXO : Industrial & Scientific
SparkFun Frequency Counter Kit - KIT-10140 - SparkFun Electronics
53220A - Keysight Technologies - Frequency Counter, 1MHz to 350MHz, 12 Digits
Frequency counter with PIC16F628A - Electronics-Lab.com
CNT-90 - Pendulum Instruments
60MHz Frequency Meter / Counter using pic microcontroller
