We used the library named FreqMeasure (download).
Click an image to download Arduino file(code) used in this project.
Click an image to download php file (connect PHP script to an existing MySQL database) used in this project.
Click an image to download php file (show the values from table frequency) used in this project.
Testing the programation in final circuit.
Checking the wave of frequency of the final circuit.
This was the arduino we used in our project.
Arduino Yún
The Yún distinguishes itself from other Arduino boards in that it can communicate with the Linux distribution onboard, offering a powerful networked computer with the ease of Arduino. In addition to Linux commands like cURL, you can write your own shell and python scripts for robust interactions.