why can’t you fit an Arduino in an SD card? [kodera2t] found out there’s no real reason why you can’t put a small microcontroller inside an SD card. For his Hackaday Prize entry, he created ...

Historically, getting files on to a microcontroller device was ... or perhaps repeatedly swapping SD cards in and out. For select Arduino boards, that’s no longer a problem – thanks to the ...

Some microcontrollers like Arduino have very limited internal storage space ... By using an EEPROM chip instead of an SD card, we save space, power, and complexity. Luckily, connecting the EEPROM ...

If the proposed microcontroller for your project is a 5V type ... After copying some MP3 files to the SD card and uploading the Arduino Sketch, you can see that the red LED on the module starts ...

A typical Arduino microcontroller board is pretty small, about the size of a credit card. This makes it suitable for embedding into all sorts of electronic devices. But it's possible to go even ...

For years, the humble Arduino microcontroller—a cheap, open source, midnight-blue circuit board emblazoned with a tiny white infinity loop—has been a favorite tool of the DIY electronics crowd.