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AVR homebrew device with iPhone aspirations

By Ajay Bhargav - Wednesday 11 November 2009 - 05:24:25 in AVR Projects

Yet another project demonstrating unbeatable power of AVR microcontroller in 8-bit microcontroller family. The AVR Homebrew device cant really beat the power of ARM but still cool enough to do the big tricks possible.

Hardware Features:
320x240 LCD with 4 wire resistive touch screen - a ELT240320ATP variant from a dead Sylvania MP3 player - uses a ILI9325 controller.
12Mhz Atmega644 CPU with 64k Flash and 4k RAM - demo fits in 32k.
USB connector for PC communication and charging.
Lithium polymer battery with software controlled power.
Software controlled backlight.
SD Micro slot.

Software Features:
LCD driver to support blitting image decompression and smooth scrolling.
Z-sorted span 3D engine with zero overdraw.
Basic UI framework for gadgets and poorly drawn pictures.
USB mouse or keyboard HID support.
Sampling profiler.
Movie playback.
Sprite engine.

The complete source code, schematics and PCB layout are available open source at https://sourceforge.net/projects/microtouch/

Source: AVR homebrew device with iPhone aspirations

Comment(s): 0

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Please post your queries in forum!

shirazi2589 | 05 Sep : 14:55

hey ExperimenterUK
Vehicle Tracking using GPS (New Ideas regarding proje
awaits a reply

shirazi2589 | 05 Sep : 11:52

Nisar Bhai P Uyemera ki zarrorat hai link hai to bhejiye

Anonymous | 05 Sep : 08:46

any suggestion abt the lcd in 4 bit mode written bottom can be mailed to suji.90@gmail.com

lcd in 4 bit mode | 05 Sep : 08:44

i have only 4 bits of p2 available,the upper nibble is already in use.so,how should i write
#define lcd_data ------
i can't write like 1/2(p2) or #define lcd_port P2.because this may disturb the application running on p2.4,p2.5,p2.6,p2.7
please anyone give me a suggestion

Anonymous | 05 Sep : 06:47

hi..i want to know whether active and passive rfid have same protocols or what?

shirazi2589 | 05 Sep : 05:05

@sweety1894 ...make a new thread and post the work you've done.Let us see what mistake prevails

sweety1894 | 05 Sep : 04:28

Hi everyone.
I am doing project interfacing keypad with microcontroler

i am trying with 3x4 matrix keyboard &16*2 lcd. I googled two days gone through many codes but unable to make it. Even gone through tutorial on this ite also,
http://www.8051projects.net/keypad-interfacing/8051-programming.php
Still i din get proper complete program. I knew its not nice to ask complete code from others.
Since i am getting confused to catch the concept, can somebody give me basic assembly code to
If u upload the schematic of the code will help me better to mingle with proteus, If does not have i will make it.
After all i just need basic code & full information of project.. If u really want myself to design, please guide me some procedures or tips. Because for the past two days i am trying hard but end up with somewhere else.

Thanks in advance.

superknoty | 04 Sep : 12:28

็Hi , Newly need help on this top-pic about analog to digital

http://www.8051projects.net/forum-t37383-0.html#post_37391

Abhinav.Chaurey | 04 Sep : 11:46

hi ssp123 yes Nokia C 2700 what to do with it

ssp123 | 04 Sep : 09:53

NOKIA C 2700

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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems