Serial.print() Prints data to the serial port as human-readable ASCII text. This data is sent as a byte or series of bytes to send the characters representing the digits of a number use the print() function instead. The Arduino Serial Monitor function can display serial data sent from Arduino. ![]() In order to round of floating-point numbers when printing to the Serial Monitor, you can just add the number of decimal places required as the second argument to serial.print. Arduino doesnt have any out of the box way to send float variables over the Serial interface but one could simply send approximations: send the float as an. From the Arduino site for Serial.write and Serial.print: Serial.write() Writes binary data to the serial port. print() statements to print the text and values you want to see. Several times, we are just interested in the first couple of decimal digits, and the remaining digits just reduce the readability and make the Serial Monitor window cluttered. For example- Serial.print (78) gives '78' Serial.print (1.23456) gives '1.23' Serial.print ('N') gives 'N' Serial.print ('Hello world.') gives 'Hello world. Para mais informaes sobre a assincronicidade de Serial.print(), veja a seo Notas e Advertncias da pgina de referncia da funo Serial.write(). Floats are similarly printed as ASCII digits, defaulting to two decimal places. ![]() Often some functions can output really long floating-point numbers, with several decimal digits. Println float arduino How to print Integer alongside String Arduino - Stack Overflow My SAB Showing in a different state Local Search Forum SoftwareSerial. Desde a verso 1.0 da IDE do Arduino, a trasmisso serial assncrona.
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