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[on:]

Hi all,

I wanna know , is sketch  as a firmware for Arduino?
Did we upload the " firmware " which wrote by ourself to the Arduino ?

Please tell me what's the different between sketch and firmware,
I'm really appreciate, thank you.

[Reply #1 on:]

Sketch is the readable version; when compiled into a .hex file & uploaded, you could say it becomes firmware.

[Reply #2 on:]

Got it, thank you so much