Nov 3, 2023 · Or, try (Serial.available() && Serial.read() == '1') you're looking at the difference between the integer value 1 in your first comparison, and the int returned by Serial.read (), …

Nov 26, 2024 · The other one, named Serial1, uses pins 0 and 1 of the R4 to communicate with devices, such as a GPS, attached to those pins. To use Serial1 just refer to it by its name as …

I'm using two Arduinos to sent plain text strings to each other using NewSoftSerial and an RF transceiver. Each string is perhaps 20-30 characters in length. How do I convert Serial.read() …

May 27, 2013 · Serial.read () reads a value from the serial port, and returns that value. The if statement compares two values - one returned by Serial.read () and one hardcoded.

Feb 2, 2022 · Serial.available is used to check if there is anything available to be read. Serial.read reads the next byte, or returns -1 if there is nothing available. Normally you would code as …

Jun 20, 2020 · read () just reads one character from the serial buffer and returns it (promoted to an int) or -1 if there's nothing to read. read will not convert anything from ascii so if you send a …

Oct 10, 2017 · The '' character at the start of a character constant or in a string is an escape character that allows non-printable characters to be defined in the constant. '\n' is the newline, …

Nov 3, 2015 · If this works on the serial monitor, and doesn't work when you attempt to serial read form your IR, then the problem is not in the reading code but in the setup of the IR. The …

Dec 7, 2012 · I've read a lot of questions here about how to read data from serial ports using the .NET SerialPort class but none of the recommended approaches have proven completely …

Apr 18, 2013 · 13 Serial sends data 8 bits at a time, that translates to 1 byte and 1 byte means 1 character. You need to implement your own method that can read characters into a buffer until …