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Doodling on the XO-4 Touch

Submitted by sverma on Wed, 2013-05-08 23:25

I was simply doodling on the XO-4 Touch. One thing led to another, and before I knew, I was adjusting brush sizes, mixing colors and finger-painting away. Given that the "touch" is based on infrared LEDs and photodiodes, the resolution and response is impressive - even for a terrible finger-painter like me!

Hint: I think those are really tall Redwood trees :-)


Submitted by sverma on Mon, 2013-04-29 13:04

I've been playing with the camera and lens combo using the Tuk Lens Kit and a XO-4. The camera on the XO does not autofocus, like most smartphone cameras do. So, instead of holding the object steady, one has to move the object into focus, and while holding steady, click on the "circle" button.  I wanted to have a better way to move the object, and keep it steady for a picture - sort of like a microscope.

TED on a Stick?

Submitted by sverma on Mon, 2012-12-24 10:56

I find TED talks to be quite interesting and invigorating. They challenge conventional thinking and provide interesting solutions. I've even gone so far as to apply some of the recommendations from some of these talks - my favorite international travel water filter is the LifeSaver bottle.

Fly me to the Moon

Submitted by sverma on Fri, 2012-11-30 14:09

This Thanksgiving break was a fun and relaxing one, but as usual, Mira (my 7-year old daughter) had her "I'm bored!" spells one day. After trying to get her to draw, color, paint, read, etc. I tried something new. We went outside and looked at interesting things. The Moon was pretty that evening. Then came the question:

"Does the Moon move in the sky?"

A telescope, a laptop with the Telescope activity, and oodles of patience.

Seven years ago...

Submitted by sverma on Fri, 2012-11-16 09:40

Today is XO Day! Credit and kudos to T.K. Kang of Hong Kong to come up with the idea a few years ago and keeping up with it.


On November 16, back in 2005, the One Laptop per Child concept was released by Kofi Annan, Nicholas Negroponte and Mary Lou Jepsen at a press conference at the WSIS in Tunisia.

Bookberry Pi

Submitted by sverma on Fri, 2012-10-26 12:32

This is the Pathagar Book Server running on a Raspberry Pi. The distribution is derived from Raspbian, which itself is from derived from Debian. I removed all the GUI bits and added some server bits to make Pathagar happen. I'm calling the image Bookberry.

Debian -> Raspbian -> Bookberry. 

Distro image and other details coming soon. 

CC By SA Mike Lee @curiouslee


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