µ[micro]electronics info

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




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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MMC/SD card reader

An AVR-based small test application which implements read and write support for MMC, SD and SDHC cards.

This project includes:

* low-level MMC, SD and SDHC read/write routines
* partition table support
* a simple FAT16/FAT32 read/write implementation

The software is written in pure standard ANSI-C. It implements a simple command prompt which is accessible via the UART at 9600 Baud. With commands similiar to the Unix shell you can browse different directories, read and write files, create new ones and delete them again. Not all commands are available in all software configurations.

SD reader

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