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8/11/2019 Progress Presentation for 3D led cude project
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Department of Electrical and Electronics Engineering3D Led Cube DisplayAmar Shrestha(3102!
Shashi "a# $andey(3101%!&an#il Sha'ya(3102%!
Sirish Shrestha (310%3!
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utline of $resentation$ro#ect ob#ecti)es and purpose
Applications
utline of the approach*mplementation
$reliminary Schedule
Critical $oints
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$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
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Applicationshe most signicant applications of this
system are
*nformation display 4isuali5ation of dened shapes and structures Attracti)e displays for ad)ertisement Entertainment
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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/
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7loc' Diagram
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*mplementationLED Cube Construction
Cathodes combines to form a layer Anodes combine to form a column
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4o-elDetermination
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&icro6controllerAmega 189igh $erformance: Lo. $o.er ,6bit
&icrocontroller18 ;7 of
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>L@62003
9igh64oltage 9igh6Current darlington transistorarrays
Se)en npn darlington pair
Collector current rating of single pair is %00mA
"elay6Dri)er Applications
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LED Controller&ultiple-er >sing Latches =9C%= o get the reuired 8 output lines needed for
the LED anodes: .e .ill create a simple
multiple-er circuit/ his circuit .ill multiple-12 * lines into 8 output lines/ hemultiple-er is built by using a component
called a latch or a Bip6Bop/
, Data Lines
3 Latch Address
1 utput Enable(E!
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$rogram
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$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/
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$reliminary Schedule
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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/
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