The "OH GOD Wake UP you Fool" alarm

Okay let's confess, we would have surely had a time when we woke up late and missed or lost someone or something. For solving your problem, I have a SOLUTION. 
 First, a few vids.

A few designs.


But they are loud but then it also wakes up all of the other people around you as well and is also not allowed on an aeroplane. A ton of disturbance.

ESC crasci to your rescue.


We will make the worlds very first headband alarm clock.

video below:





This alarm will play a song  when the 7 hour mark completes. The only flaw will be stated in the video.
If you made the staples button, then you will have the  components needed. If you don't have, don't worry and get the products from the links below.

Products needed to make are

arduino nano:
sd card module
8 ohm portable speaker
protoboard
headers
a head band
hot glue
soldering rod
solder lead and flux.


steps::
assemble the circuit on a breadboard according to the scheme given in the Staples button article
Once you are sure about your circuit not having any errors, Assemble it on a protoboard.  Then squash it in the head band.

And you are done.