![]() ![]() Sparkfun does sell a breakout board for their microSD holder for $15 + shipping, but that’s a little too expensive. MicroSD cards are cheap, but if you need a card reader, the surface-mounted holder would cost $4 + shipping, and although I can probably solder that, I still would like to do testing on a breadboard. Simplified SD Card Physical Layer Specifications.to breadboard, wire, solder, and other misc stuff.to use a voltage regulator to get a 3.3V power supply.to level shift signals between 3.3V and 5V devices on a SPI bus.to use a serial port, either a USB to TTL serial converter, or a MAX232.to use Hyperterminal (or something like it). ![]() to use the GPIOs pins, the UART port, and the SPI port on an AVR chip.to burn fuses and hex files to AVR chips using an AVR programmer.to use an IDE like AVR Studio to write and compile code in C (and knows how to use AVR Libc, WinAVR, etc). ![]() There are some prerequisite knowledge you need to have before you can follow this tutorial: In this tutorial, I will show you how to read and write to a SD card using an AVR microcontroller. Thanks for visiting! If you appreciate my content, please consider making a donation to a charity on my behalf. ![]()
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