Skip to content

January 6, 2013

scientiste:

Great way to make art with your food. :P

Originally posted on MAKE:


For the ITP classes Tech Crafts and Materials and Building Strategies, Scott Garner created the BeetBox, a tuber-based electronic drum machine. The instrument uses six beets connected to capacitive sensors to play samples on a Raspberry Pi. Here are the full details on the internals:

Touch sensing is handled by an MPR121 Capacitive Touch Sensor from SparkFun, for which I ported existing Arduino code to Python. This board communicates with a Python script on a Raspberry Pi via I2C. The script watches for new touches and triggers drum samples using pygame. Audio from the Pi’s line out is run through a small amplifier I built using an LM386, which is based on a circuit from Eric Rosenthal‘s Basic Analog Circuits class. The amp is connected to a salvaged speaker mounted under the holes in the lid.

Scott also built the enclosure himself:

The enclosure was created from .5″x8″ poplar…

View original 105 more words

About these ads

Comments are closed.

Follow

Get every new post delivered to your Inbox.

Join 491 other followers

%d bloggers like this: