Digital Water Wheel
Greg Kovacs and Philip Levis
CS241 Example Project
Interactive LED display of water in a spinning disk
Sensors on 3ft. wheel measure motion and position
Water inside wheel simulated using computational
fluidics library (PhysBAM)
Water state displayed on LED panels
Looks like luminescent water swirling inside circle
Kalliroscope, Paul Matisse
Architecture
RPi, BB Black,
or laptop
Teensy 3.1
SPI
USB,
HID
Simulator
Teensy 3.1 +
SmartMatrix Shield
Display
Master
Simulator sends water state to display
master. Display master transforms values
into visual representation, sends to perpanel drivers.
steel edge
Display
Driver
Display
Driver
Display
Driver
Display
Driver
Panel
Panel
transluscent cover
Panel
SPI
Panel
accelerometer
LIS331
Timeline/Plan
Phil
Greg
Software
Architecture
Simulator/
Driver
Interface
Hardware
Architecture
Oct
Simulator
Simulator/
Driver
Interface
Nov
Simulator/
Sensor
Integration
Driver Integration
Dec
Jan
Sensor
Design
Feb
Electronics
Enclosure
Timing
Mar
Apr
Wheel
Seating
Display
Tuning
Power
May
Wheel
Cover
Jun
Jul
Aug