LED Hack – How to Make (Google)Voice Activated LED Signs!



Here’s a really cool hack that uses GoogleVoice to translate voice into words and to his LED sign.  This should save a lot of time anytime you want to change the message on your LED sign.  Brilliant!

I made the LED sign following instructions from this tutorial on Nerdkits.com.  The hardware is some LED’s, a nerdkit, a piece of cardboard and a bit of wire that I got from some Cat 5 cable laying around.  I cut out the cardboard and printed a grid to help me lay out the LED’s.  I think mine were 1 cm apart.  The soldering took forever and it was the first real time I did any soldering so it looks kinda crappy.  Oh well.  It works.  The sign itself is powered by a 9 volt battery and receives data from my laptop through the serial port via a USB adapter.  All that stuff was included in the Nerdkit when I bought it.  The microcontroller is running code from the tutorial I mentioned earlier.  One of these days I’m going to make an enclosure for this thing.

via hackedgadgets

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