This Instructable will show you how to modify an Altoids tin for a wireless 2×16 character display. Using an Altoids tin was inspired by the need to have a small yet protective enclosure for a pair of Xbee modules recently bought from Sparkfun. I purchased the Xbee Pro modules with external antenna for the extended range the setup provides (useful for […]
Wireless Altoids Display Using Atmega Read More »
This Instructable will show you how to build your own Web Connected Robot (using an Arduino micro-controller and Asus eee pc). Why would you want a Web Connected Robot? To play with of course. Drive your robot from across the room or across the country, using nothing more than Skype and a web browser (nothing
Make a Web Connected Robot (for about $500) (using an Arduino and Netbook) using Atmega Read More »
There are plenty of wireless devices available on the market that broadcast in the 2.4 GHz ISM band. Such devices include Bluetooth, WiFi, Zigbee, wireless USB, cordless phones, wireless mice and keyboards, etc. This project describes a wireless spectrum analyzer to examine the surrounding radio frequencies in 2.4 GHz band. The project is based on
Portable 2.4 GHz Spectrum Analyzer using Atmega8 microcontroller Read More »
A 2 line X 16 character LCD display that is battery operated and works without an external connection. The basic MinThe basic Minimum Mass Wireless Coupler technology is described and links to other projects on this site that use the Minimum Mass Wireless Coupler are located on the web page, Minimum Mass Wireless Coupler. Downloads Download
Minimum Mass Wireless LCD Display using ATtiny2313 microcontroller Read More »
For an upcoming project I need a signal generator that produces a sine wave and a cosine wave*. The easiest way would be to buy a signal generator. I also could buy one of those amazing integrated circuits that Analog Devices makes and build a
Sinewave and Cosinewave Signal Generator Using Atmega Read More »
This portable security system is built based on Atmega644 microcontroller. It can detect intruders based on their physical presence. The system uses URM37v3.2 ultrasonic sensor which is connected to MCU through rs232 serial communication. To rotate sensor for wide coverage range, the system is equipped with Parallax servomotor. For user interface, there are LCD and keypad wired to PORTC
Ultrasonic Security System using Atmega644 microcontroller Read More »
The Lord of the Keys is password managing system that able to store many usernames and passwords inside a Java Card™ smart card (one of the most secure methods to store confidential information). Whenever a dialog box appears in an application or web browser requesting a username and password, these security features can be found on the externally attached device, which
Handy Password Managing System, Lord of the Keys using AVR ATmega168 Read More »
Overview: Our security system is a stand alone device that allows access to registered users identified by their magnetic cards.(For this project, “access” is represented by a lit LED, showing how the system could be used to control an external locking mechanism.)The system includes features such as: Multiple accounts, including Administrator accounts (which can create,
Security Entrance System Using Atmega Read More »
If this is your first time on the Cornell Campus, you need not worry! Cause we have the best guide for you! Introduction The Cornell Campus is quite large, and finding your way around can get a bit frustrating. The Big Red Guide is a GPS receiver that displays your position on an LCD, as
The Big Red Guide Using Atmel AVR Mega32 Read More »
Introduction This is a digital home security system with voice feature which can monitor room temperature, smoke, motion, and windows & doors. The goal of this project is to utilize the after-market parts and build an integrated home security system. Besides traditional magnetic switch equipped on doors and windows, we have also incorporated temperature sensor,
Home Security System Using Atmel Mega32 Read More »
