8/11/2019 Progress Presentation for 3D led cude project

1/17

Department of Electrical and Electronics Engineering3D Led Cube DisplayAmar Shrestha(3102!

Shashi "a# $andey(3101%!&an#il Sha'ya(3102%!

Sirish Shrestha (310%3!

8/11/2019 Progress Presentation for 3D led cude project

2/17

utline of $resentation$ro#ect ob#ecti)es and purpose

Applications

utline of the approach*mplementation

$reliminary Schedule

Critical $oints

8/11/2019 Progress Presentation for 3D led cude project

3/17

$ro#ect ob#ecti)es andpurpose$rimary b#ecti)e+

Construct an ,-,-, LED cube .ith a

programmable controllerController .ill come .ith a preset demo as

.ell as the ability to recei)e custom programsfrom the user/

he LED cube .ill pro)ide a 3D display for theprogrammable content and .ill function as a3D Simulator

8/11/2019 Progress Presentation for 3D led cude project

4/17

Applicationshe most signicant applications of this

system are

*nformation display 4isuali5ation of dened shapes and structures Attracti)e displays for ad)ertisement Entertainment

8/11/2019 Progress Presentation for 3D led cude project

5/17

utline of the ApproachComputer pro)ides micro6controller

.ith data le/

&icro6controller communicates .iththe led6dri)e on ho. and .hich LEDsto light/

Led6controller output to the ,-,-,

LED Cube/

8/11/2019 Progress Presentation for 3D led cude project

6/17

7loc' Diagram

8/11/2019 Progress Presentation for 3D led cude project

7/17

*mplementationLED Cube Construction

Cathodes combines to form a layer Anodes combine to form a column

8/11/2019 Progress Presentation for 3D led cude project

8/17

4o-elDetermination

8/11/2019 Progress Presentation for 3D led cude project

9/17

&icro6controllerAmega 189igh $erformance: Lo. $o.er ,6bit

&icrocontroller18 ;7 of

8/11/2019 Progress Presentation for 3D led cude project

10/17

>L@62003

9igh64oltage 9igh6Current darlington transistorarrays

Se)en npn darlington pair

Collector current rating of single pair is %00mA

"elay6Dri)er Applications

8/11/2019 Progress Presentation for 3D led cude project

11/17

LED Controller&ultiple-er >sing Latches =9C%= o get the reuired 8 output lines needed for

the LED anodes: .e .ill create a simple

multiple-er circuit/ his circuit .ill multiple-12 * lines into 8 output lines/ hemultiple-er is built by using a component

called a latch or a Bip6Bop/

, Data Lines

3 Latch Address

1 utput Enable(E!

8/11/2019 Progress Presentation for 3D led cude project

12/17

8/11/2019 Progress Presentation for 3D led cude project

13/17

$rogram

8/11/2019 Progress Presentation for 3D led cude project

14/17

$c *nterface"S232Standards for serial binary

single6ended data and control signals

connecting bet.een a DTEand a DCEData Sent in time6series of bits/

7oth synchronous and asynchronoustransmission supported/

&A232 should be used bet.een $C and &$>to ad#ust )oltage le)els/

8/11/2019 Progress Presentation for 3D led cude project

15/17

$reliminary Schedule

8/11/2019 Progress Presentation for 3D led cude project

16/17

Critical points,-,-, Structural and design completion/

LED controller alternati)es studied: nali5ed

and prepared on breadboard/&icrocontroller programming .ith &i'roC for

A4" in progress/

8/11/2019 Progress Presentation for 3D led cude project

17/17