Recently, a friend of mine had an issue with his car’s ECU and needed a frequency counting device.
A simple but beautifully accurate PWM frequency meter.
Arduino OLED dual channel oscilloscope with 16Msps equivalent time sampling, Pulse Generator, DDS Function Generator and Frequency Counter
In this Tutorial we will learn how to make a Frequency Signal Generator using a AD9850 module and Arduino.
Measure and record mains frequency on the SD card along with the timestamp.
Timer one is used in this code and using this the Arduino crystal clock is divided into various small parts microseconds are used for freq.
This frequency meter uses an inexpensive STM32 microcontroller, and the frequency range is from 0 to 30 MHz
I needed a small, cheap frequency counter. It would be the frequency display of my planed signal generator.
In this tutorial we will learn how to make a simple Frequency Counter using Arduino. Watch the video!
A tiny frequency meter built using the ATtiny1614 microprocessor.
Learn how to make a Pulse Generator with a Frequency Sweep.
AC Line frequency (50Hz / 60Hz) has small fluctuations in the short term, but is compensated daily resulting in a quite accurate reference.
This Astable multivibrator is used to generate the PWM signal. Basically a rectangular signal of variable duty cycle and frequency.
This project describes a short range metal detector useful for positioning proximity and robotics
There is a cheap TCXO that can be used to control the gate of a frequency counter but you need to divide its frequency to a standard value.
Find out how to design RPS Counter to count revolutions of rotating objects
Will introduce about the Red Pitaya and it's capabilities.
In this project, one Arduino produces two frequencies and another counts two frequencies, both independent from each other.
This device allows doctors to assess the severity of hand tremors by providing quantitative statistics on the tapping frequency.
Oscillators are very precise nowadays, but will they be exact? This is to compare two UNOs.
