Cool Interesting Electronics?!

Hi guys I am thinking of creating blog about how to make cool interesting electronics. I think these are pretty cool. What do you guys think? Or maybe these are not interesting, what electronics projects do you find interesting and why?

  1. Gaming controller
    DIY Hacks & How To's: Video Game Controller Mod - YouTube
    I always wanted to make a gaming controller :smiley:

  2. Pet feeder
    Internet Enabled Cat Feeder powered by Arduino - YouTube
    Sometimes I get annoyed of feeding my fishes all the time! :-\

  3. RC car
    DIY Smartphone Controlled RC Car - YouTube
    As a kid I always wanted to make an RC car that could do awesome tricks. :stuck_out_tongue_closed_eyes:

  4. Mood Light
    http://www.instructables.com/id/Mood-Lamp-with-Arduino/
    The light in my room is always bright white so with a mood lamp I could change it to any color I want.

  5. Quiz Game Buttons
    Quiz Game Buttons // How-To | I Like To Make Stuff - YouTube
    My family likes playing quiz games on holidays and we usually start yelling who goes first to answer the question. ::slight_smile:

  6. Arduino Segway
    http://www.instructables.com/id/Arduino-Segway/
    Sometimes I see segways in malls. I always wondered how they work. :slight_smile:

  7. Overwatch Lucio Blaster
    Blaster Circuit Prototyping | Overwatch Prop Gun: Lucio's Blaster Pt. 1 | Adafruit Learning System
    Who doesnโ€™t like blasters? :sunglasses: