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An Arduino Pro Mini is a small microcontroller derived from the Arduino Uno using the ATmega328. It is unique for its tiny size and the required external FTDI adapter.

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LDC paired with Arduino locks up and freezes. Out of SPRAM?

I am making an alarm clock using a 4x20 lcd display, rtc, and Arduino Pro Mini 3.3v. I have implemented a menu system for setting the time/date that blinks the text on the lcd display to indicate that …
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LDC paired with Arduino locks up and freezes. Out of SPRAM?

I found the problem! it was specific to my code and didn't turn out to have anything to do with ram or power. The problem was I hadn't detached the interrupt from the rtc when I woke it up with a butt …
cr5519's user avatar
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