Hello
How to make voice recognition in condenser mic if i spell a led on and if i spell b led on how to different between a and b

 

Have a look at this:

https://www.hackster.io/petewarden/recognizing-speech-with-a-raspberry-pi-50b0e6

 

Hello
How to find a and b voice different

 

Parse the text string spit out by the library code?

That part is a simple coding exercise.

 

Hello
How to different between a and b in voice in both the led on

 

How about https://thepihut.com/products/grove-speech-recognizer

 

Hello
How to know different between a and b without electronics

 

In hebrew ?