using transistor as a switch(sound as input, light as output)

[aarviii]

hi, newbie here. we are given a project using transistor as a switch. can you please give me an example or any reference how to use sound as input and light as an output. i don't have any idea how to start to make plan for it. please.

 

[tpetar]

hi, newbie here. we are given a project using transistor as a switch.

Transistor as a Switch
http://www.electronics-tutorials.ws/transistor/tran_4.html

Various circuit examples
http://www.google.rs/search?q=trans...JMIiYhQfnjICoAQ&ved=0CCoQsAQ&biw=1024&bih=608

can you please give me an example or any reference how to use sound as input and light as an output. i don't have any idea how to start to make plan for it. please.

Sound level display
http://www.radiosparks.com/schematics.asp?UID=Sound+Level+Display

;-)

 

[aarviii]

Transistor as a Switch
http://www.electronics-tutorials.ws/transistor/tran_4.html

Various circuit examples
http://www.google.rs/search?q=trans...JMIiYhQfnjICoAQ&ved=0CCoQsAQ&biw=1024&bih=608




Sound level display
http://www.radiosparks.com/schematics.asp?UID=Sound+Level+Display

;-)

thanks for this!