Freeduino RBBB and the SD Card Reader

The next board to be tested with the SD Card Readers is the Modern Devices RBBB (Really Bare Bones Board).

This appears to be similar to the Arduino Duemilanove that we tested in a previous post, in that it uses the ATmega168 chip.  However, the RBBB does not have a built-in USB interface, nor a LED installed on pin 13. It is a small form factor, like the Arduino Nano, with pins spaced to be placed on a breadboard.

I didn’t have much hope for using this board with the SD Card Readers, as the Duemilanove failed due to memory constraints.

I started off with an inventory of the parts.  Everything that was promised was accounted for.

RBBB Parts

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Arduino Due and the SD Card Reader

The next board to test with the SD Card Readers is the Arduino Due.

Arduino Due

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Arduino Mega 2560 and the SD Card Reader

The next board to test with the SD Card Readers is the Arduino MEGA 2560.  This is a more complex microprocessor, with 54 digital I/O pins, 16 analog inputs and a larger space for your sketch.

Arduino Mega2560

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Arduino Duemilanove and the SD Card Reader

The second Arduino board that I tried to get the SD Card Readers to work on was the Duemilanove, an old, cheap, small board that was my introduction to Arduino back around 2010 or so.

Arduino Duemilanove

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Arduino/SD Card Reader – Part 2

The next test with the SD Card Readers was with a simple program to create a file, write data to it, and read the data back out.  This was the ReadWrite example program included in the Arduino IDE.  The only change I made was to specify pin 10 for the Slave Select Pin, rather than pin 4.

This is only the part of the example that I changed.  The total example file is included with the Arduino IDE.

// Adafruit SD Adapter uses pin 10 for Card Select
if (!SD.begin(10)) {
Serial.println("initialization failed!");
while (1);
}

Running this program on both the Adafruit and the Catalex SD Card Reader modules worked perfectly.

ReadWrite Test Success

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