Realization of the tables

Today, I’ve been making the tables.
It consists in fixing the metal parts on a wood table, with the piezo clip. On the waiter side, we placed the RFID reader.
To limit the parasite vibrations, I placed a piece of cloth behind the metalic part.
A complete test with our PureData patch is conclusive. This part’s done !

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Piezo and gesture recognition …

Yesterday, Ludovic and I managed the Piezo microphone. The Piezo is our sensor for motion recognition, on our metalic surfaces. We have 2 piezos, and 2 metalic “tables”. The first one for the Waiter, and the other for the bartender. The piezos are connected to an external sound card.

We recognise 4 sounds/ gestures, on our “Multitouch” table :

  • Scratching 
  • Tapping
  • Knock
  • “BAM”
These gestures were recognized with a Pure Data patch.
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