Difference between revisions of "Holograms at Home"

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*Battery holder: $4.10 link denied by spam filter
*Battery holder: $4.10 link denied by spam filter
*LED strips x3: $29.95 x 3  = $89.85 [https://www.adafruit.com/product/306]  
*LED strips x3: $29.95 x 3  = $89.85 [https://www.adafruit.com/product/306]  
*Hall Effect Sensor
'''Total: $102.74'''
'''Total: $102.74'''

Revision as of 18:12, 8 March 2017


Team members

  • Kevin Kim
  • Hyunseok Choi
  • TA: William Luer

Project Overview

We are attempting to create a spinning LED display capable of displaying 3D objects from all directions on a cylindrical shape. Our display can include basic shapes such as cubes, tetrahedrons, and spheres. Finally, our display will be able to animate such shapes.


  1. Design a mechanically robust device that will house the components including Arduino, batteries, and LEDs.
  2. Position each component so the device is capable of displaying basic 3D objects on a cylindrical volume
  3. Develop an algorithm to control when each LED turns on and off during the display cycle


  • Having a mechanical design that has a center of mass around the axis of rotation
  • Mount the device on a motor
  • Build a device so the wires are not entangled while device is spinning
  • Wire connections do not break while device is spinning
  • Ensure that device spins at constant rate
  • Determine ideal rpm for device for visual display
  • Mounting battery and Arduino on the spinning portion of the device
  • Mounting Frame unto the motor


  • Arduino Mega: $0 - provided
  • Arduino Redboard: $0 - provided
  • Motor Controller (Dual Step motor Shield 1.1) & power supply: $0 - provided
  • Electrical Tape: $0 - provided
  • Insulated Copper Wires: $0 - provided
  • Stepper Motor[17hs13-0404s]: $0 - provided
  • Hot glue: $0 - provided
  • Soldering Tools: $0 - provided
  • 3D Printing material and 3D Printer: $0 - provided
  • D batteries: $8.79 link denied by spam filter
  • Battery holder: $4.10 link denied by spam filter
  • LED strips x3: $29.95 x 3 = $89.85 [1]
  • Hall Effect Sensor

Total: $102.74

Gantt Chart

Gantt Chart Holograms at Home.png