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Wireless Human Health Monitor using ATmega644 microcontroller

The aim of this ATmega644-based project is to build a portable device implementing wireless technology and taking full advantage of the wide-spreading Internet to provide a convenient solution to monitor human health. The health information acquired on the portable side transmits to the server wirelessly and can be accessed all over the Internet in real-time. The end device turned out to be very portable an ...

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Wireless Internet Radio Receiver using AT90CAN128 Microcontroller

This stand-alone internet wireless music player, named as Wireless MP3 (WMP3), uses Atmel AVR AT90CAN128 microcontroller as main ‘brain’. The device can play music from internet radio stations like Shoutcast (www.shoutcast.com), connect to shared network drives and play mp3 files. Ubiquitous 802.11b wireless link is used to connect to the internet. “WMP3 uses HTTP protocol to search online servers. Once the ...

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A physical display device for website visitors based on Atmega168

If you have a blog or website and want to make a physical device to display the number of visitors, this project might be interesting to you. It describes about a similar device that can be directly connected to the internet via router and counts the visitors of your website. The number of visitors is displayed on seven segment LEDs. The project uses the ATMEGA168 microcontroller that has enough pins and en ...

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Portable 2.4 GHz Spectrum Analyzer using Atmega8 microcontroller

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 the Cypress’s CYWUSB6935 radio module. It is a complete radi ...

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Wireless Accelerometer Controlled rgb-LED’s using atmega168 microcontroller

MEMS (Micro-Electro-Mechanical Systems) Accelerometers are in widespread use as tilt-sensors in mobile phones and cameras. Simple accelerometers are available both as ic-chip's and cheap development pcb-boards. Wireless chips are also affordable and available in assembled circuits, with matched antenna-network and decoupling-caps onboard. Hook both wireless board and accelerometer up to a microcontroller vi ...

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Make a Web Connected Robot (for about $500) (using an Arduino and Netbook)

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 to install on the controlling computer). After that? Dig into the software & adapt it however y ...

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Garduino Upgrade, Now with more Twitter!

A couple months ago I came across two great instructables.  The first was the Garduino, an arduino controlled garden to help you grow plants at home.  The second was the Tweet-a-Watt, a project that teaches you how to monitor your home power usage using Xbees and Twitter.  I read about both these projects here at Instructables and in Make Magazine, Vol 18. I thought it would be great to combine both these p ...

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