Thom Nichols

Thom

Technology is evolution outside the gene pool

Articles tagged with 'geo'

Smoothing Sensor Data, Part 2

After a query from an older blog entry, I figured I should properly follow-up since there were a couple questions about how to use the low-pass filter I described to smooth sensor data from Android.

So the question was "shouldn't the algorithm be output[i] = output[i-1] + ALPHA * (input[i] - output[i]);"  Well, the answer is no, here's why:

So the wikipedia entry I referenced uses ...

Marco Polo - now with more HTML5!

Note: Marco Polo has been sold to Libera Inc. and I will no longer be developing the Marco Polo app.  I'm very excited to see what they will do with it! (2 May 2013.)

Original post (29 Oct 2011) follows:

Now that Marco Polo for Android has been out for a while, I got bored and decided to do the same except as a Facebook app.  Meet ...

Qirk: A Cross-Platform QR Scavenger Hunt Game

Update: I've renamed the app qirk - and you can create your own games at qirk.us.  It's still pretty rough around the edges but it's finally launched so everyone can try it out!

Just last weekend was the 7th Wooly Fair, an arts and culture festival in Providence, RI.  My wife was asked to perform, and I went with her to planning meetings to see ...

Introducing: Marco Polo for Android

Note: Marco Polo has been sold to Libera Inc. and I will no longer be developing the Marco Polo app.  I'm very excited to see what they will do with it! (2 May 2013.)

Original post (3 July 2011) follows:

Marco Polo is my new Android app that I've been working on in my free time since April.  It lets you 'find' your friends based on ...

MarcoPolo Help and FAQ

Note: Marco Polo has been sold to Libera Inc. and I will no longer be developing the Marco Polo app.  I'm very excited to see what they will do with it! (2 May 2013.)

Original post (16 June 2011) follows:

Looking for the privacy policy?  See the bottom of this page.

So how do I use this?


Start by adding your friends' Facebook, Twitter, Foursquare or Flickr ...