Simultaneous Serial reading and writing - Arduino Stack Exchange
I am trying to read long strings from the Serial, using arduino. In order to spare some RAM I don’t use Serial.readString(). I use Serial.read() instead. During the reading, I also print some debu...
How do I read only the first character from serial monitor input and ...
Feb 17, 2025 · So the call of Serial.read() reads exactly one character, and the following Serial.parseFloat() starts from the second character. It skips any non-number characters by default, …
How to read from and write to rs232 device from/to Arduino
May 31, 2021 · Serial.read() or SoftwareSerial.read() only read one single byte from the buffer, but the data from your device spans over multiple bytes, as described on the wiki page, that you linked. Look …
arduino mega - Serial.read () vs. Serial.readBytes ()? - Arduino Stack ...
For a little background, I'm using an Arduino Mega 2560 to try to communicate with a Dynamixel servo (MX-64) over TTL (half-duplex, asynchronous) with Tx1 and Rx1. Basically I construct some byte …
arduino ide - Read int from Serial - Arduino Stack Exchange
May 31, 2016 · with the following sketch I should be able to read and store what is entered in the Serial monitor void setup() { Serial.begin(115200); while(!Serial); } void loop() { Serial.println("Ente...
How to avoid blocking while loop reading Serial? - arduino uno
Mar 29, 2015 · Interestingly enough, Serial.read () does not work like most of us think. Serial.read () is not blocking, it always returns immediately with a byte 0-255 or -1 if there is no character to read. …
How to read incoming HEX values from Serial.read () method?
Feb 19, 2021 · Communication Example with device For a start the ID command should give a number as 2532 according to book after the conversion it gives me 32 32 34 32 0 0 , 2242 looking at the …
How to do multiple serial.read () - Arduino Stack Exchange
May 24, 2022 · first of all im new here and im really sorry if there's some mistakes when im making this question. So im trying to make a program to calculate using serial read, and im going to input a lot of …
Reading Serial Data Using readBytes() and Use of Serial.read()
Sep 26, 2016 · I'm trying to mix Serial.read() and Serial.readBytes() when reading over one of the Serial ports on my Arduino Due. I thought that using Serial.read() would clear what is on the serial, and …
Why I always see while(serial.available() > 0) as the standard way of ...
Dec 10, 2023 · while(serial.available() > 0) { char receivedByte = serial.read(); } But I don't understand why it works. The read () operation "removes" a single byte from the queue, so the while loop should …