- This will allow you to reliably run an Arduino Mega at **3.3V**! Use Frequency: 8MHz, Upload Speed: 15200 to achieve this. - The default for the Arduino Mega is, Frequency: 16MHz, Upload Speed: ...
I cannot have D13 blink at all during boot, it is attached to a low side driver which controls a fuel injector. I also have no use of a bootloader. Rather than mess with modifying a bootloader to not ...
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