ESP32 Frequency Counter using Pulse Counter and Remote Control modules

A frequency counter library for esp32

Raspberry Pi Pico firmware for universal hardware control & measurement, along with a user-friendly Python frontend

ESP32 Multi-meter : Current and voltage meter using an INA226 sensor, frequency counter and generator

ESP32-compatible example for esp32-freqcount component.

Reciprocal frequency counter with Pi Pico

Improved FW for the DL4YHF frequency counter (higher frequency resolution down to 0.001 Hz due to period measuring mode; extended frequency range up to 100 MHz; event counter) as well as DL4YHF's original source code adapted for Linux "gpasm".

A frequency counter similar to Python's collections.Counter with additional support of other statistics.

MPLAB X v.6.0 - XC8 PIC ASSEMBLER (pic-as) porting of DL4YHF Frequency Counter project based on PIC16F628A (0 - 50Mhz)

Golang Word Frequency Counter

A frequency / Hertz meter based on STM32F103 MCUs.

Time interval counter based on TI TDC7200 chip with GPS modules for precise time standard comparison.

Java Swing application for (GPIB) reading and controlling (old-school) lab instruments like spectrum analyzers, signal generator, digital multimeters, etc.

Frequency counter implemented with CPLD EPM3064 only and HDSP-2113 display

An object frequency counter for Haskell, just like Python.

A frequency counter for the NUCLEO-STM32H743

STM32 stuff

Frequency counter with LCD display.

frequency counter with display and analog scheme

ATTINY Frequency meter