Homebrew device with iPhone aspirations

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rossumur
October 27, 2009

Can you make an iPhone out of an AVR? No. Can you get a surprising amout of functionality out of a humble 8 bit processor and a cheap touch LCD? Yes. More at rossum.posterous.com

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blinky465 (3 months ago) Show Hide

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I'm driving an ILI9325 QVGA display with a PIC and having problems with the voltage controls at 3.3V.
The only way I can get my screen to come on is to connect a 9V PP3 battery to the backlight! I'm sure it should be possible to get the LCD to generate the necessary voltages, I just don't know how.
Could you share your working power control values (address values 0x10-0x14)? Mine are all set to zero!

Love the post, btw!

rossumur (3 months ago) Show Hide

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@blinky465 check the code on sourceforge under microtouch for ili9325 initialization. Power control values of 0 will give you a nice clean blank screen ;-)

Anima87 (2 weeks ago) Show Hide

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Hi

I'm new to this. What language are you programming in? - I want to adobt it to make an IR remote control if it''s possible!

How's version 2.0 coming along?

kaspericas (3 months ago) Show Hide

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If you can make this beauty, you can make a "real" iphone ;D

gpashok (3 months ago) Show Hide

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grt work...

moekneemaker (3 months ago) Show Hide

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very nice job

MrLeotsekouras (3 months ago) Show Hide

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a-w-e-s-o-m-e!

PatchLevel (3 months ago) Show Hide

-1

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WOW! That's better than 99% of the "best" cell phones!

mjaworski (3 months ago) Show Hide

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I'm curious about what method you used for controlling the lcd itself. Was the controller built in with the lcd and you somehow integrated it with the AVR or did you make your own controller on the board?

Awesome project, love the ebook reader feature.

rossumur (3 months ago) Show Hide

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The LCD has an internal frame buffer controlled by the AVR over a 16 bit interface; the AVR does not need to scan out RGB pixels and sync. The build in LCD controller is the ILITEK ILI9325.

Homebrew device with iPhone aspirations

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