This code performs FFT with good accuracy.
Another simple to build useful instrument in you lab.
This function performs FFT with very good speed while maintaining accuracy.
Arduino Uno or Nano 6 MHz Frequency Counter with LCD. As accurate as the crystal.
This projects explains the basic set up of automation using DTMF technology.It can be applicable in any automation field.
Frequency counter and voltmeter for Android phone or tablet using Arduino and Bluetooth.
This project is performing a faster frequency transform (FFT).
Arduino generates 244-8, 000, 000 Hz by dividing the 16 MHz crystal oscillator.
Using 3 pushbuttons two to give different frequencies to the BUZZER while the third one to stop the BUZZER