My solutions work in various and mission-critical environments

SD Card Reader

sd The main part of the reader is the ATmega16 microcontroller which works with a 8Mhz clock. Communication with SD card is via SPI interface, but every result is returned to the PC computer via USART interface. As the voltage converter, I used the MAX3232 (low-voltage version of the MAX232). Device is powered by 3.3V.

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