Gesture controlled led cube

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This document describes a gesture controlled LED cube project using an Arduino Leonardo microcontroller. The cube is constructed of 64 green LEDs arranged in a 4x4x4 structure. An IR proximity sensor detects hand gestures from 0-10cm away and triggers different lighting animations on the cube. The Arduino code reads the IR sensor values and controls the LED patterns based on the distance detected. Videos demonstrate the cube responding to hand motions with changing lights.

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Gesture Controlled LED
Cube
By: Mike J Garcia
ECE 561
End of Semester Project

Project Overview
2-part project
4x4x4 LED cube
IR proxy sensor

Arduino Leonardo

The Cube - Construction
Parts:
64 x LEDs – green
1 – Arduino Leonardo

Resistors
Solder

IR Proximity Sensor
 Parts:
 Arduino Controller
 4 - IR LEDs
 1 - IR LED Receiver
 Resistors

 Thanks to: Ricardo Uvina
 http://www.instructables.com/id/Simple-IR-proximity-sensor-with-Arduino/

IR Proximity Sensor

Analog IN

Digital
OUT
ARDUINO
LEONARDO

GND

+5V

The Code – Proxy Sensor
 Perform this 10 times and get average
 Read from Input pin to test for ambient IR
 Turn on IR LEDs
 Test IR levels
 Turn off LEDs
 Test ambient IR levels

 Display average IR readings on screen

The Code – Cube
 If distance is between 0 to 5cm,
 Execute animation A

 Else if distance is between 5cm to 10cm
 Execute animation B

 Else if……
 Else if…….
 Else
 Turn off all LEDs

Final Product – Demo 1
 http://www.youtube.com/watch?v=LADpkeqRgic
 See the cube in action!

 LEDs look dim on my camera

Final Product – Cube Overview
 http://www.youtube.com/watch?v=CAAVzIehBr8
 Best view of cube

 View of Arduino
 View of IR proxy sensor

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