Questions tagged [calculation]
A mathematical determination of the size or number of something.
16 questions
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Unexpected Behaviour w/ Arduino Uno Calculation
I have a really simple snippet of code wherein the same calculation outputs different values depending on how I do the calculation. The platform that I am running this code on is an Arduino Uno - with ...
- 23
2
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4
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Issue with incrementing PWM over time
First post here. So I have an issue, which I have identified, but I'm not quite sure how to fix it.
I'd really appreciate some input and suggestions.
I realize that my "pwmDelta" is the problem, but I ...
- 21
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1
answer
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Rounding float number
I want to enable user to change the duration of PWM from 0 to 255, the number should be in minute and increase/decrease with two push buttons.
(X) x 255 / 60000 = minute
In above example each time ...
- 814
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How to map integer values and round to a count of tens/thousands?
I'm mapping a potentiometer from 0-1023 to 1000-120000 (1 sec to 2 minutes) for a timer, like:
maxDelay = map (pot2, 0, 1023, 1000, 120000);
Both variables are integers. Now I would like to convert/...
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Using modulo for negative values
I want to wrap a random number using modulo, so that values exceeding 11 starts over from 0 and greater. However, i would also like numbers less than 0 to dividend 11 or less.
Please correct me if i'...
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How to calculate actual Baud Rate and its percent error?
I am using an Arduino Uno, and I need to create a program that calculates the actual baud rate and the percent error for all standard baud rate in Arduino monitor program.
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3
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How do I create boundaries for the possible values of an integer? [closed]
I want to create an integer whose total value cannot go beyond a range of numbers when added to and subtracted from. For example, if the "total_value" started at 0 (of a total possible range between -...
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4
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Reading pressure sensor using Arduino analog
I'm using a Arduino Uno to read pressure and I want to know if I have wired/coded the sensor correctly. I'm not sure I'm getting the correct readings (it could be the right readings - I just want to ...
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