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DIY MaKey MaKey

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I was just browsing around the internet and came across this video  which described how to make your own Makey Makey board using an  Arduino Leonardo . I had all the components laying around at home so I decided to make my own. Here is a video where i used 4 glasses of water to play some drums from  http://www.virtualdrumming.com/ . No I can't play music, well not right now anyway :-). The Makey makey is basically a circuit that converts anything conductive - even slightly conductive (Metal, Coins, Bananas, Humans, Coke Cans, Glass of Water, etc.) into a button on your keyboard. You connect a wire from the circuit to the object you want to make into a button (key). Connect your self to the wire from the circuit labeled "hand". Done. Now the moment you touch the object it will send a key-press (example 'a') to your computer via USB.  Using the Arduino Leonardo you can convert up-to 6 objects into a key at any given tim...
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Over the last year I have been working on the renovation/remodeling of my hotel in Nainital. Now we had a 1600 sq ft. area that was to be converted into a small restaurant for the hotel guests. Being a huge fan of LOTR I decided I wanted the entrance to the restaurant to look like a the door to Bilbo's house obviously with our own twist. Here are some pics of the build. The door is a two panel design completely circular and 7 feet tall. Its 1.4" thick and each wood panel weight in just over 50 kgs. Wood: Sagwan. The hinges were made from 0.25" thick mild steel and cut using hacksaws and files We still have some work left for the interiors and the tables and chairs and i post those as soon as they are done. PS: I'm really sorry for having used imperial units in this blog post but I used these units in my original design notes so thought that is what I should write about. All the other p...
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DIY Polariscope

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A few days ago I was stuck in one of those YouTube loops (happens once a month) and I came across this awesome video on the  Prince Rupert's Drop  by SmarterEveryDay (Excellent channel BTW). About 3:00 minutes into the video they use something called a Polariscope to check out the stresses built up inside the Prince Rupert's Drop. Watching that I realized that I had all the things needed to build this at home. You need the following things for creating a Polariscope : 1) A polarized light source (White in color preferably) - Since almost all LCD's use polarized light to display images you could use your iPad or Laptop screen displaying a white image. I went for my 22" monitor as I needed a bigger surface. 2) A transparent object - Not all objects work well for this as some don't really have that much stress.            - Things that work well - Glass statues, use and throw forks and knives, glue sticks, etc.   ...
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