Can't I just use the 3.3 volt source on the arduino?
Can't hurt (but one SD card and one breakout board) to try it. Disconnect the 5V wire, and run one from the 3.3V pin on the Arduino directly to the pad.
Can't I just use the 3.3 volt source on the arduino?
Can't hurt (but one SD card and one breakout board) to try it. Disconnect the 5V wire, and run one from the 3.3V pin on the Arduino directly to the pad.