① SDIO（1bit / 4bit）モード ・SD/MMC ホストコントローラを使用 ・最高 40MHz 程度で動作 ・読み書きが高速 ・カードスロット付き製品（データロガー等）に向く ・esp-idf の SDMMC Host Driver を使用 ② SPI モード（1bit） ・SPI バスを使う簡易接続 ・ピンが少ない ・互換性が高く、Arduino IDEで簡単 ・速度は SDIO ...

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 using an ...

[Kevin] has been working on reverse engineering the protocol used by the Arduino IDE and porting it to the Arduino platform. Now that his BootDrive project is nearing completion, he’s ready to give ...

A maker developer has squeezed an Arduino onto an SD card. 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 ...