As you may have noticed, there is an SD card library included with the Arduino IDE. However, we prefer the above-introduced library. Also remember to format your microSD card using your computer (try ...

When the clone starts up, it searches the SD card for a file called ‘program.hex.’ This file is sent over to the target Arduino and the new firmware is installed.

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and ...