Archive for February, 2008

SMS based Wireless I/O port

Description:
This project is a small device which is attached to GSM Cell Phone. The device automatically senses the predefined SMS(Text message) such as , “Activate burglar alarm” or “Start backup pump“, received by Cell Phone and switches an output accordingly.
Micro controller:
ATTiny12

For more details click:
http://www.riccibitti.com/tinyplanet/tiny_intro.htm

SCSI/DRAM interface with AVR

Description:
The project is to make Universal SCSI controller with standard parts. It consists of 2 AVR controller one for the parallel SCSI interface, the other for the target and logical unit functions.
Micro controller:
ATMega64

For more details click:
http://micha.freeshell.org/ramdisk/index.php

Scrolling LED sign board

Description:
This project explains how to text scroll over a DOT Matrix Led display. Dot matrix consists of 5*7 Led dots in one case.
Micro controller:
AT90S2313 / ATtiny2313

For more details click:
http://www.attiny.com/dotmatrix.htm

RDS Decoder

Description:
This project is a simple RDS decoder based on TDA7330B RDS demodulator and AVR  controller. The program shows service name, RDS clock, TA flag status and scrolling 64 characters long radio text on a 2*16 line LCD. The decoder needs [...]

Audio processor control

Description:
This project guides you in designing a independent Audio processor which can be embedded into any  Audio system. The circuit involves TDA7313 Audio processor with AVR controller. The functionality of audio processor can be set by LCD display.
Micro controller:
AtMega8.

For more details click:
http://www.scienceprog.com/avr-based-tda7313-audio-processor-control/