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LINUX DEVICE DRIVER FOR A 16x2 LCD MODULE CONNECTED AT PARALLEL PORT
This is a small parallel port char driver for printing text on a 16x2 lcd module connected at parallel port of a PC. I did this as a part of learning linux kernel-module programming. May be this could...
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TV remote controller 160KHz High Quality Stereo MMC WAV player using ATMEGA32
(updated the complete source code + makefile + hex + asm + .out files on bitbucket repository) link is provided below the source code Introduction:This is my first AVR based hobby project and the most...
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Multitasking in AVR (A demo to run 7 tasks on an atmega32)
Hi,Here I am introducing a simple task switching on an AVR as a demo... I did this just to get familiarized with the AVR assembly language programming.. Now I believe I learned it to an extent. Also I...
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An attempt to show grayscale images on an LED dot matrix display with...
Introduction: This is just a time pass hobby project, I am trying to display some pictures (JPEG/PNG/BMP etc) on my 8x8 led dotmatrix display. You can see photos of my 8x8 led dotmatrix display...
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AVR based monochrome signal generation for a PAL TV
Introduction: I have learned some thing about TV in one of my B.tech semester but I forgot most of them. Now I refreshed a few basics and tried to implement a monochrome PAL TV signal generator...
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Drawing geometric figures on a PAL TV using ATmega32 (128x64 resolution)
Photos of my TV screen: Introduction: I am interested to draw lines, square, rectangle, circle etc on my TV screen. At first I was confused where to start. While thinking about it, a pencil and an...
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Running PYTHON (pymite-09) on an Arduino MEGA 2560
Hi, I got a new toy fromfarnell. It is an Arduino mega 2560board. in.element14.com/atmel Now it is the first time I am using an arduino board. Arduino mega 2560 is really a great product. The chip got...
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An attempt to mount an SD/MMC connected at parallel port of PC (a linux...
Introduction:Hi, for the last few days, I was engaged on a mad project, ie I was trying to access as SD card directly via parallel port of my desktop PC with linux. At first, I successfully did the...
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Generating AUDIO ECHO using Atmega32 microcontroller
(video demo of echo generation using atmega32)Introduction: Hi,While I was studying at 10th standard, I used to play with small electronic circuits mostly based on transistor bc547 - bc557 pair. At...
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Implementing Discrete Fourier Transform in Atmega32 to make an audio spectrum...
"All waveforms, no matter what you scribble or observe in the universe, are actually just the sum of simple sinusoids of different frequencies."Hi,I am just refreshing the basics of fourier transform....
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two servo walking robot using TI launchpad
Hi, I bought two small servo motors last month. I was thinking what I can do with this two servo, since it is only two in number. Then I asked this to my friend Achu Wilson and he suggested me...
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Getting started with ARM Cortex-M3 on GNU/Linux
STM32VLDiscovery is one of the three[2][3] cheap ARM Cortex-M3/M4 boards from ST. It contains an STM32F100RB microcontroller and an on-board ST-Link. Also it is designed to be powered with usb or...
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Playing video on nokia color LCD just using an 8 bit AVR! [A mad Project ;) ]
A MaD PROjECt....;-)SD CARD + ATMEGA32 + NOKIA COLOR LCD = VIDEO PLAYER!!!Hi,I am introducing my new video player made using an atmega32 microcontroller and nokia color LCD. I got a 65K color LCD from...
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TV remote controlled computer mouse (an avr VUSB project)
Hi, While laying in bed and watching movies on my laptop, I used to think if there is a remote control, it will be easy to pause, play, fwd, rev, adjust volume, play next etc etc without going...
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Resistive touch screen based wireless mouse
Hi, after a long time I am updating my blog again. I bought few nokia color LCDs and resistive touchpad last month, all are chinese clones and very cheap. Then I thought of doing some thing with the...
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Stellaris launchpad based video player
(stellaris launchpad playing 320x140 color video at 25 fps video) Hi, I am introducing my new mad project, a video player using stellaris launchpad and a 320x240 color lcd which I got from...
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STM32F429I-DISCO
Hi all, I am so much excited to play with STM32F429I-DISCO board which is having an arm cortex m4 microcontroller with external RAM of 64Mbit. Also the most exciting part of the board is 2.4" QVGA...
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Happy Christmas and Happy New Year from Attiny13
While trying to open a chinese camera pen, unfortunately the PCB inside it got damaged. Few of the PCB traces got cut and it became useless. After few days, I removed an 8 pin IC with SO8 package from...
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stm32f407 discovery board as a 100MHz FM transmitter using crystal feedback...
Hi All, It's been a long time I haven't updated my blog coz it is hard to get some free time. Anyways, I have a small hack to share now.This is a very simple hack, the aim of this project is to...
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Dual boot for arduino
Hi all, I would like to introduce a new dualboot feature which can be an add-on to any existing arduino boards. The additional requirement is an external i2c eeprom with minimum size of the...
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User space LCD driver for Raspberry pi zero
I tried to get a raspberry pi zero a couple of months ago but I couldn't get one because of its demand and availability in India. But my friend Michael Kohn from Missouri sent me a pi-zero camera...
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FRDMK64F MP3 PLAYER WITH CLASS D AMPLIFIER
Below video will be a bit louder and better compared to the above one. This is taken at day time, so no restriction for volume... Unfortunately I couldn't demo few songs due to copyright protection, so...
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Ultrasonic audio transmitter and receiver system
Hi all, this is another mad project. Aim of the project is to transmit laptop audio via ultrasound to few meters and then receive it and demodulate it and playback the audio on a speaker....
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Qi wireless power receiver from scratch
Hello all, Now a days Qi wireless power transmitters are becoming more and more popular for charging mobile phones and most of the mobile phone manufactures are now adding the Qi power receiving...
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16 x 2 LCD controlled via power line
This 16x2 LCD is too traditional and still very much popular in the world of electronics and embedded system. I remember I started programming on PIC for displaying text on these LCDs around 8 years...
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