Arduino Uno, 10 buttons (for notes and play/pause), SD card module, 1602 LCD, 8x8 LED matrix, Sound sensor module, Speaker, multiplexer, 2 breadboards, wires, resistors Working principle: The buttons ...

A few days ago, one of [Severin]’s SD cards died on him, Instead of trashing the card, he decided to investigate what was actually wrong with the card and ended up recovering most of the data… ...

He was inspired by Intel’s Edison compute module and he tried to go one better. The result is the SDuino, an ATMega328P processor-based development module, which fits on a standard SD card. It even ...