My Arduino board, powered by own 9V supply, collects data. I'd like to read out the data later. But when I connect Arduino to my PC via USB it reboots and all data is lost. How can I have access to the data if Arduino is not connected to PC all the time?

Data read out

Arrch October 16, 2012, 7:35pm 2

Robert125:
How can I have access to the data if Arduino is not connected to PC all the time?

Store it not volatile memory like EEPROM or on an SD card.

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