Introduction: DEAF's Horn

Picture of DEAF's Horn

we usually use to see when a car horns in front of a deaf person he dosn't react but with my device when the car horns then the condensor microphone catches the sound waves and then covert these sound waves into electrical waves and there is a vibrating moter which vibrates when car horns.

Step 1:

Picture of

materials required

timer chip(555)



condensor mic

vibrating moter

circuit board


values of resistors and capcitors are showwn in circuit diagram

Step 2: Soldering All Material on Cercuit Board

Picture of Soldering All Material on Cercuit Board


MohakM made it! (author)2015-02-06


Mr AbAk (author)2015-02-06

Nice ible....And yes very interesting