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Old 19th June 2012, 05:10 PM   #1
diyAudio Member
Join Date: Jun 2012
Default A first time build!

Hi all,

I'm shopping for the components to build my very first DIY projector. So, I'd love hear from the veterans in this forum.

Basically, I'd like to build a long-throw 720p projector with an HDMI input. I want the projector to be as compact as possible and of course I don't want to spend a lot of money for the components.

Primary Plan:
LCD: Coby 15-inch 720p TV
Light Source: 50W LED Floodlight (Cool White)

This seems like the easiest and the cheapest way to build a 720p projector but I'm afraid the 15" LCD panel might be too big. The final projector won't be so compact with this panel.

Beside these components, I will need a pair of fresnel lenses and a triplet lens, but I'm not sure which ones to get. Is there a calculator somewhere that I can use? Again, this is going to be a long-throw projector.

Another way is to buy a LCD panel + LCD controller board from aliexpress.com. They seem to have a wide variety of LCD panel & controller board that will suit my needs but the setup might get too complicated for a beginner like me.

So any suggestions, pros?
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Old 21st June 2012, 04:07 PM   #2
diyAudio Member
Join Date: Jun 2012
15' lcd is to big.that might be coz your box 1 meter excced
15x25.4=you need a f360 triplet lenses at least.,and larger size fresenl lenses=more money
You can choose 7-12' wide LCD.EXP:8.9 inch N089A1-L01
SETUP is easy if you want to do
Light source power you choosed is smaller. 100-200w are better.
LED=expensive,colour less, heat complex.
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Old 3rd August 2012, 08:35 PM   #3
TESCORP is offline TESCORP  United States
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Join Date: Jul 2007
Location: Illinois, USA
Why dont you go with a 10.1" panel? You can build a smaller enclosure, and using a 330mm triplet you can have a long throw projector thats small. Then go with a 300w Lamp. I have all the optical parts you need in my store. I have 10.1" panels too. Just let me know what you need.
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Old 7th January 2014, 09:17 PM   #4
diyAudio Member
Join Date: Jan 2014
Location: Florida
Tes, Would the picture be as clear as the one I bought from you ? I have the H-450. Is the enclosure smaller for the smaller LCD ( If I was to build a new enclosure ) ?
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Old 3rd February 2014, 11:35 PM   #5
diyAudio Member
Join Date: Feb 2014
Hello everyone! I'm new here. Just want to know where I can buy Fresnel lens. Badly needed for my brother's highschool project. I hope I can get a little help from you guys? Thanks!
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Old 21st May 2014, 11:35 PM   #7
diyAudio Member
Join Date: Feb 2014
Could we possibly get a stickied thread with a list of sites that sell projector parts?
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Old 7th August 2014, 03:14 AM   #8
Sovaka is offline Sovaka  Australia
diyAudio Member
Join Date: Aug 2014
This is my first post but I plan on building a projector myself.
I came across this site a few days ago and it is what got me thinking of building a projector.


HDMI/VGA/NTSC/PAL Displays : Adafruit Industries, Unique & fun DIY electronics and kits

They sell a 5.6" 720p LCD with Driver and HDMI, VGA and Composite inputs.
Not bad @ $140.

I plan on making a 480p projector to start and that kit is only $65.
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