I wish to display the last 20 entries from a .txt file on the SD card (Ethernet shield on a Mega2560). Reading the whole file into an array an then iterating through the array backwards works until the file gets to a size that makes the array too large for RAM. Any suggestions on a way of doing th…

Read a file from SD in reverse order

system September 7, 2012, 5:57am 4

Thanks John - that will work perfectly!!

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