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How to find out the maximum used stack space?

I am creating an Arduino sketch which involves quite some classes, and I want to check if it will run on an Arduino Uno or Mega (2 KB vs 8 KB SRAM). So far my global variables take up around 1,200 ...
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2answers
202 views

Expand Arduino storage without an SD card [closed]

I'd like to have my Arduino write some files and store them somewhere. They won't be big files, but the 1Mb available on the device won't be enough. I know an SD card is the popular solution, but the ...
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74 views

Memory chip for arduino

I know that you can't expand your ram because it is intern. But I want a extern memory chip (1024KBytes) that is very fast. I know that I need a library to access information on this chip. And ...
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1answer
361 views

Is it possible to read-write the memory of a Gikfun ISD1820 voice recording module?

I just got a Gikfun ISD1820 voice recording module for an Arduino project that I'm working on. I want to be able to record a few seconds message and then send the message over wifi to another Arduino ...