avr

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Wireless Accelerometer Controlled rgb-LED’s using atmega168 microcontroller

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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 via serial interface […]

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Portable 2.4 GHz Spectrum Analyzer

Portable 2.4 GHz Spectrum Analyzer using Atmega8 microcontroller

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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

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Wireless Internet Radio Receiver

Wireless Internet Radio Receiver using AT90CAN128 Microcontroller Using Atmega

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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

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assembled with card

Wireless Lan for AVR microcontrollers Using Atmega

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The complete WLAN solution for AVR and other CPUsThe page is about equipping an Atmel AVR microcontroller based system with a Prism WLAN interface. This document is intended for people that already have experiences with the AVR microcontrollers and teaches them how to add a cheap but flexible WLAN interface to your AVR projects. Related projects At least two

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host device

Atmel AVR Infrared Downloader using ATmega8

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AVR IR Downloader is one of final assignments at Electrical Engineering Brawijaya University of Malang, Indonesia. The basic idea was came from our lecturer at campus, Ir. Nanang Sulistyanto. If this project was successfully made, it will be used to program our automatic machine’s uC during the testing schedule. Actually we are using Atmel AVR series.

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password keeper

Handy Password Managing System, Lord of the Keys using AVR ATmega168

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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

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AVR Security Keypad Lock

AVR Security Keypad Lock using ATtiny2313 microcontroller

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The Security Keypad Lock Project is a basic access control system based on ATtiny2313. It can be modified to protect just about anything. The “Code Lock” ability will allow the rightful user to deploy the platform to any property that requires simple password-protection. The “AVR” RISC microcontroller used ensures low costs. Possible applications may include: vehicle protection, electronic

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pic01 orig

MMC/SD/SDHC AVR Interface using ATMega8 microcontroller

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MMC/SD/SDHC card library This project provides a general purpose library which implements read and write support for MMC, SD and SDHC memory cards. It includes low-level MMC, SD and SDHC read/write routines partition table support a simple FAT16/FAT32 read/write implementation The circuit The circuit which was mainly used during development consists of an Atmel AVR

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RFID based security system

RFID based security system using AVR ATmega32 microcontroller

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RFID technology brought a great revolution in our life as it simplifies the machine communication. RFID’s are used almost everywhere today Schools, hospitals, industries and much more. This article teaches you to build a simple RFID based security system using AVR microcontroller which is reliable and cost efficient. You gotta be familiar with working principle

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