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Volatile memory used by Arduino programs for storing variables and other data at runtime.

2 votes
1 answer
1k views

Am I Running Out of RAM Or Not?

I'm attempting to drive 300 TM1803 RGB LEDs from an Arduino Uno using the FastLED library. My code works fine for 100 LEDs, but when I go to 150, the arrays that store LED values and my sensor data ge …
ahalekelly's user avatar
4 votes

Am I Running Out of RAM Or Not?

I found it! I was returning an int8_t variable from my mod function, causing me to not be able to iterate over more than 126 LEDs. Now this little Arduino Uno is maxing out it's RAM at 409 LEDs!
ahalekelly's user avatar