Archive for November, 2009

Arduino + LEDs + Ultrasonic Sensor + Pumpkin = Dude-o-lantern

A while back my lovely wife got me this Big Lebowski keychain.  I’m not sure why but when I started thinking about what kind of pumpkin to carve this year the keychain popped into my mind.  I took it apart to see how easy it would be to mod and I was pleased to see its internals were quite simple.


I had picked up a PING))) ultrasonic sensor recently so I wired up the Lebowski chip and the PING))) to my recently constructed Boarduino to get a motion detecting Dude with 6 sayings.


I figured if I was going to use this for a jack-o-latern I needed a visual component so I wired up four RGB LEDs and diffused them with a pingpong ball (the soldering for this nearly killed me).  Initially I was going to figure out how long each sound clip played so I could do a visual display that would coordinate with the audio but then I realized I could just use one of the analog i/o pins on the Arduino to trigger the lights when the sounds were playing.  This created a nice visual effect that went well with the audio.

Here’s what happened.


  • @jaidevd basically my hunch is some of those techniques could be powerful when applied to more specific problems in literacy research 4 months ago
  • @jaidevd also doesn't have to be deep learning but any modern ML like Parsey McParseface with TensorFlow 4 months ago
  • @jaidevd I'm interested in variations on that theme I think like doc2vec or other representations for different specific problems 4 months ago
  • @jaidevd I've mostly been using precalculated vectors from word2vec and glove 4 months ago
  • @jaidevd just trying to get a lay of the land basically. Seems like lots of opportunities for new NLP approaches these days. 4 months ago