Plotting Sound Level

Plotting Sound Level

This example demonstrates how to make a graph of a variable or sensor input. In this example we use the microphone sensor in the PC. 


  • Dongle


This program consists of an infinite loop which again and again adds a data point to the graph. The data point is a measurement of the sound level from the PC's microphone (remember to turn on the PC's microphone). 

A time-series plot is created in the interface. Here is one example with a high sound after 17,5 seconds:

Press the red stop button to terminate the program.

Get blockly source code here.

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