Arduino - Doubt in tutorial Pulse width Modulation

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Doubt in tutorial Pulse width Modulation

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Question

At time 9: 30 in the tutorial the input to the Function map (potvalue, 0,1023,0,255)is not explained.

and

At time 9: 45 in the tutorial the input to the Function

analogWrite (fwdbuttonState == Low ? ICpin2: ICpin7,motorvalue);

digitalWrite (fwdbuttonState == Low ? ICpin2: ICpin7,motorvalue);

is not explained properly..

Thanks!

Arduino Pulse-Width-Modulation 11-12 min 10-20 sec 29-01-22, 4:46 p.m. Brucebanner123

Answers:

The Map command re-maps a number from one range to another. In other words, a value of fromLow would get mapped to toLow, a value of fromHigh to toHigh .

And at 9.45, the If command checks the push buttons connected to pin 12 and 13 are pressed or not.

30-01-22, 11:46 a.m. Pratikjb11

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