I would have thought rounding or truncating a number like 71.4323523 to 71.4 would be easy but I've failed to find a short solution. Is float to string (dtostrf() ) is the only way I can think of. I'm sending the value to an OLED so my understanding sprintf is not applicable. Is there another s…

if your unknown OLED Library for your unknown OLED in your unknown Code is based on print, you can do a simple oled.print(unknownFloat, 1); to get a rounded float printed to the display with one decimal.

"Round" float to one decimal place for printing to OLED

Projects Programming

jimLee September 26, 2021, 7:50am 6

Multiply it by 10, round it to an int then divide that by 10 to get your float?

-jim lee

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"Round" float to one decimal place for printing to OLED

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