Hello everyone, I'm trying to use an ultrasonic sensor to control an LED using the constrain() and map() functions. But it's not working. Some help would be very appreciated. Thank you! The goal is to limit the inputs between 2 and 22 using the constrain() function. Code: // Arduino pin numbers f…

Constrain() ultrasonic inputs to control LED

diefg November 7, 2021, 4:37am 7

That was what I tried but I keep on getting 0 readings.

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