LM35 & Memory Card. This is a little DIY project with an Arduino Uno, SD card breakout board, and LM35 temperature sensor. To build a temperature logger using a microSD card, just connect the LM35 ...

[Kevin] attached a MicroSD breakout board to an Arduino-compatible clone. When the clone starts up, it searches the SD card for a file called ‘program.hex.’ This file is sent over to the ...

To learn more about the handy Arduino sound card, you can watch the video above. The SoundDuino 2 has taken to Kickstarter to raise the $2,000 required to make the jump into production.

With as cheap as micro SD cards are getting (256GB for about $15) I can see them being a possible storage, but at least 2 slots (4 would be nice) and a simple duplication for when the card fails ...