µ[micro]electronics info

A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.

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Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.

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ATMEL AVR

AVR music player

Standalone AVR Music Player "Sound Bug".

A Butterfly GPS

The handy Butterfly GPS is a cost-effective system that presents location, date, and time data on its LCD. The system features an ATmega169 and a highly sensitive GPS receiver engine board based on the SiRF chipset.

Abstract

Microcontroller board with Ethernet, MMC/SD card interface and USB

This project is a basis for developing microcontroller applications connected to an ethernet network.

MMC FAT downloader

The MMC-FAT Bootloader project bridges the "bootstrap gap" for an arbitrary set of target hardware that follows a streaming serial bootloading protocol. It connects to an MMC disk through the ATmega168’s SPI by using the MMC bus protocol’s SPI mode. It connects to the target device through the ATmega168’s USART interface.

Small AVR-based TV terminal

Terminal with ATmega8, RS232 interface and TV out by Vasilis Serasidis.

IR and ultrasonic scanner

This project is a short range, infrared and ultrasonic scanner that uses a standard hobby servo to move the sensors and a color LCD screen to display the information from the sensors.

AVR Ethernet webcam

You can connect an old cellular phone add-on camera to the Internet using an ATmega32 microcontroller and an ENC28J60 Ethernet controller. The compact system’s hardware can fit in a matchbox.

InfraHID and InfraLink

Two constructions based on IR signalling.

GPS/GSM tracker

Kind of a mobile tracker with the Telit GPS/GSM module and AVR ATMega8.

Homebuilt MP3 Player with STA013

If you’re looking for a build-it-yourself, standalone, USB harddrive based MP3 player, this may be of interest to you.

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