Touch Keyboard

So I was studying for the OS design exam and i came across a random thought. The idea was to make a "touch" keyboard, thinking this could potentially have a better design than your average mechanical keyboard.

In the end I looked to see if the idea has been done before, and wouldn't you know it someone has done a similar idea:
Optimus Tactus Touch Keyboard

How Servos Work

So I was thinking that if i ever mount that directional antenna it would be cool if i mounted some kind of motor on it so i can make it rotate where i need it to point to

And that is how i came across learning how a servo works

MS Remix

I found myself watching the entire video.... he portrays the importance of design quite nicely
Here is the MS Remix Video

Build a Variable Voltage Supply for Cheap

Found a cool way to make a variable voltag supply...
Basically with this you can switch from 5V, 9V, and 12V
All under $10