caramoan tour package

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Author Topic: mini usb to vga  (Read 2247 times)

Offline cradle

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mini usb to vga
« on: February 23, 2009, 12:13:29 PM »
feasible ba un? on what areas ba pwede akong magstart? kasi, ang balak namin ng kagroup ko, from mini usb ng cellphone, direct to the vga port ng projector. para wala ng laptop..

on what areas ba ako pwede magstart? ..

help nmn.,  ???

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mini usb to vga
« on: February 23, 2009, 12:13:29 PM »

Offline marcelino

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Re: mini usb to vga
« Reply #1 on: February 23, 2009, 12:40:16 PM »
parang pwede...
pero parang malupit ang programming nito ah..

worst case, you will have to make use of dsp chips.

ano nga bang iviview mo sa monitor?
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Re: mini usb to vga
« Reply #1 on: February 23, 2009, 12:40:16 PM »

Offline spidamang

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Re: mini usb to vga
« Reply #2 on: February 23, 2009, 12:42:01 PM »
ano ba ang i didisplay sa projector? ang display ng screen ng celphone mismo? or ang data lang sa loob ng cp? :)
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Re: mini usb to vga
« Reply #2 on: February 23, 2009, 12:42:01 PM »

Offline rdpzycho

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Re: mini usb to vga
« Reply #3 on: February 23, 2009, 01:13:04 PM »
depende po sa cellphone 'yun. hindi kasi pare-parehas ng profile ang cellphone pagkabit sa USB.

gaanong katagal ang time niyo? medyo madugo programming nito at kailangan ng mabibilis na MCU. sa 640x480, 25 MHz (25 MIPS), halos wala ng time sa pag-process.
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Re: mini usb to vga
« Reply #3 on: February 23, 2009, 01:13:04 PM »

Offline marcelino

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Re: mini usb to vga
« Reply #4 on: February 23, 2009, 01:17:17 PM »
depende po sa cellphone 'yun. hindi kasi pare-parehas ng profile ang cellphone pagkabit sa USB.

gaanong katagal ang time niyo? medyo madugo programming nito at kailangan ng mabibilis na MCU. sa 640x480, 25 MHz (25 MIPS), halos wala ng time sa pag-process.

sir RD, paano iaasume ang speed na kakailanganin? kunyari, standard na 1024x768 nalang. though 1400x900 ang gamit ko... heheh ;D
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Re: mini usb to vga
« Reply #4 on: February 23, 2009, 01:17:17 PM »

Offline rdpzycho

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Re: mini usb to vga
« Reply #5 on: February 23, 2009, 01:22:22 PM »
merong table ng pixel clock per resolution. hehehe. kaya 'yung mga lumang video card merong crystal na kakaiba ang value para sumakto sa pixel clock, ngayon PLL na rin ata ang gamit. medyo mabilis na ang kailangan diyan sa 1024x768, siguro mga 50 to 60 MHz. ang 720p (1280x720) nasa 75MHz ata ang pixel clock. may mga butal na decimal pa 'yan. hehe.
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"For every difficult problem there is always a simple answer and most of them are wrong."
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Offline marcelino

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Re: mini usb to vga
« Reply #6 on: February 23, 2009, 01:41:49 PM »
merong table ng pixel clock per resolution. hehehe. kaya 'yung mga lumang video card merong crystal na kakaiba ang value para sumakto sa pixel clock, ngayon PLL na rin ata ang gamit. medyo mabilis na ang kailangan diyan sa 1024x768, siguro mga 50 to 60 MHz. ang 720p (1280x720) nasa 75MHz ata ang pixel clock. may mga butal na decimal pa 'yan. hehe.

lufet pala ang requirement ng video! heheh ;D
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Offline motion55

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Re: mini usb to vga
« Reply #7 on: February 23, 2009, 03:00:33 PM »
Pwede yan. Gagamit kayo ng FPGA. May mga library sa FPGA para sa VGA and USB. Anung cell phone na pwede magiging USB host and anung program ang gagamitin ninyo?

Pero may nakita na rin ako ng ganitong producto.

http://www.manhattan-products.com/en-US/products/6697-hi-speed-usb-2-0-svga-converter
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Offline cradle

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Re: mini usb to vga
« Reply #8 on: February 23, 2009, 06:17:22 PM »
kasi gusto lang sana namin ipakita ung file na gs2 niya ipakita (niya = reporter) habang nagprepresent sya sa office or sa school. cgro mga 1 hour ung max.

ang balak sana namin na cellphone is ung 5300.

no idea lang talaga kung anu ung pwede na mcu. familiar lang kasi ako sa at89c2051 e. hnd ko lam ung pic :D hindi supported ng school. :D (sa course ko that is,) cpe kasi ako eh. :d

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Re: mini usb to vga
« Reply #9 on: February 23, 2009, 07:07:01 PM »
either of the two hindi kakayanin ang project na gusto niyo. nasa level na ng 32-bit 'to or FPGA. ;)
‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

"For every difficult problem there is always a simple answer and most of them are wrong."
- Clayton Paul

Offline motion55

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Re: mini usb to vga
« Reply #10 on: February 23, 2009, 08:25:40 PM »
kasi gusto lang sana namin ipakita ung file na gs2 niya ipakita (niya = reporter) habang nagprepresent sya sa office or sa school. cgro mga 1 hour ung max.

ang balak sana namin na cellphone is ung 5300.

no idea lang talaga kung anu ung pwede na mcu. familiar lang kasi ako sa at89c2051 e. hnd ko lam ung pic :D hindi supported ng school. :D (sa course ko that is,) cpe kasi ako eh. :d

Bale wala kayong laptop, therefore gagamit na lang kayo ng cellphone para sa presentation? Sorry pero mas madali maghiram ng laptop kaysa gumawa ng ganitong project.

Pwede kayo gumamit ng at89c2051 pero kailangan pa rin i-interface sa isang VGA controller. Secondly, walang USB ang at89c2051. Kailangan ninyo gumamit ng USB host interface kagaya ng MAX3421E. Parang dugo ang mini-USB. May type A, type B and type AB (USB-to-Go). Ang type A pwede lang mag-connect sa type B or AB. Ang type B pwede lang sa type A or type AB. AFAIK, type B ang Nokia 5300 and so kailangan ng type A interface. But correct me if I am wrong.

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3639

Lastly, di ko alam paano ninyo ma process ang data galing sa Nokia 5300. Masyadong mahina ang at89c2051. As I said mas madali manghiram ng laptop.


 
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Offline marcelino

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Re: mini usb to vga
« Reply #11 on: February 23, 2009, 08:39:59 PM »
baka nga mas mura pa kung bibili nalang nung pinakamurang laptop (or netbook).

tulad nito:
http://www.villman.com/Product-Detail/H1_Mobile_PC_Linux
(medyo mahal na sa villman ang pricing)
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Re: mini usb to vga
« Reply #12 on: February 23, 2009, 10:50:19 PM »
so in short, hindi siya feasible? lol haha

Offline rdpzycho

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Re: mini usb to vga
« Reply #13 on: February 23, 2009, 10:55:00 PM »
hmmm. possible talaga siya pero complicated.
‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

"For every difficult problem there is always a simple answer and most of them are wrong."
- Clayton Paul

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Re: mini usb to vga
« Reply #14 on: February 23, 2009, 11:00:23 PM »
mhirap gawin? hmm... ung ic na MAX3421E parang useful talga ah.. kano kaya un? wala kasi akong idea kung san kami magprogram if ever. kasi ang naisip ko, baka pwede sana ikabit ung usb namin sa altera. kasi may usb interface nmn ang altera, pero, almst 20k+ ung altera.. msydong mahal.. e d bibili nlng ng laptop ung ibang tao. lol.

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Re: mini usb to vga
« Reply #15 on: February 23, 2009, 11:02:55 PM »
marami namang murang FPGA or fast MCU. pero 'yung development time kasi nito matagal.
‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

"For every difficult problem there is always a simple answer and most of them are wrong."
- Clayton Paul

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Re: mini usb to vga
« Reply #16 on: February 23, 2009, 11:09:53 PM »
kaya kaya nito ng one year preparation?

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Re: mini usb to vga
« Reply #17 on: February 23, 2009, 11:11:44 PM »
kung hindi lang ito ang gagawin niyo, I'd suggest na iba na lang ang gawin niyo. programming intensive 'to. tapos 2 standard ang kailangan niyong pag-aralan, USB at VGA.
‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

"For every difficult problem there is always a simple answer and most of them are wrong."
- Clayton Paul

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Re: mini usb to vga
« Reply #18 on: February 23, 2009, 11:17:08 PM »
saan kaya pwedeng mag dwell? kasi gusto ko sana more on security eh., kaso, para kasing lahat ng loopholes ng securyt systems na-tackle na eh

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Re: mini usb to vga
« Reply #19 on: February 24, 2009, 06:26:58 AM »
kaya kaya nito ng one year preparation?


Nasa inyo yan pero one year is doable. Lalo na at hindi kayo nag-iisa dito sa eLab.

One advice lang. Minsan sa pag iisip na maka tipid napapamahal lang lalo. Like trying to use a cellphone kung walang laptop.

Altera Cyclone chips are not that expensive. It is the tools to get it started that are a bit pricey. Baka may starter/evaluation kit available na completo na para sa ganitong project.

"Set your mind free!"

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Re: mini usb to vga
« Reply #19 on: February 24, 2009, 06:26:58 AM »

 

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