As you could probably be thinking, I need to connect an SD card to Arduino Severino. The thing is Severino has no 3.3v pin, so I need to transform that 5v power to 3.3v for the SD card. Can anyone tell me wich materials shoud I buy and how do I connect them? Thank you for your help. Notice that I …

Transform Severino 5v to 3.3v

CrossRoads April 16, 2012, 4:29am 3

Change the 5V regulator to a 3.3V regulator, the crystal to 8 MHz, reload the bootloader to match.

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