All posts on March, 2009
Posted on 29 Mar 2009

Learn how to make an Android G1 2.8v serial to USB Serial device adapter (using a 3.3v ttl to usb serial adapter). This can be used for kernel debugging/etc with your computer. This project shouldn’t cost you more than 40 bucks if you already have basic electronic tools such as a soldering iron. [more]
Posted on 29 Mar 2009

Twitter Burglar Alarm is a burglar alarm that tweets when an intruder enters the house.This project controlled by Arduino which is a simple embedded board with an AVR processor.If it sees that the Intruder alert signal is being asserted at the alarm panel, it generates notifications in the form of an SMS and a Twitter status update.[more]
Posted on 28 Mar 2009

This LED Chaser Face controlled by PIC16f684 microcontroller.The LEDs follow various patterns (ie. chasing each other, flashing in unison, checkeboard flashing, etc.) It is also very easy to add your own patterns.This project is very easy to build.[more]
Posted on 28 Mar 2009

Cell phone is not only used for communication.SMS alarm is a very simple device. This projectย�uses Siemens gsm phone to send SMS and it has 5 inputs - it means that it can send 5 different SMS messages. For each sensor input we write SMS text that we wish to receive when alarm condition happens. Programing is done via PC and proper software that is available for download on this website.[more]
Posted on 28 Mar 2009

This project used 1GB microSD card from sandisk.The microcontroller is AVR ATmega8 running at 8Mhz internal clock. MAX232 is used to interface the circuit with PC for monitoring the data. A 3.3v supply is used for powering the ATmega8, microSD and max232.[more]