I am developing a project using 7 inch touch screen, Arduino MEGA 2560 and its shield.
My need is to acquire a large data (500K bytes) from analog input A0, store it and then later analyse the same, which will further require say 200-300K bytes, finally print the report on display.
At present I have sample tried the project using limited 4K space of built-in EEPROM, but that in no way fulfills my needs.
Is there any way to expand the data memory ?
Can I use the 2GB-SD card, but in using the SD card, how can I use the statements like;