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4 questions
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1
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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 ...
- 804
2
votes
2
answers
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Print with round towards zero instead of round to nearest
When printing with one decimal place, Arduino's Serial.println() rounds numbers like 123.89 to “123.9”. Is there any way to change the rounding mode? For some reasons I want the value to be rounded ...
- 169
17
votes
1
answer
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How do I convert a float into char*?
Asked this question on Electrical Engineering Stack Exchange and was directed here:
Pretty self explanatory; how would I go about converting a float into a char*? I have code in which the float '...
- 173
5
votes
1
answer
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How to append float value of into a string ?
I have a float variable lng = 33.785469 and lat = 78.126548. Now can I convert them to String and append in a String variable "my_location" as "your location is \nlng = 33.785469 \nlat = 78.126548". I ...
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