12/29/2023 0 Comments Arduino delay waitSerial. (I know I could probably code the colours far more efficiently but i'm only just beginning so go easy on me ) int rPin = 6 ![]() The code for the 'while' loop waiting in serial input is lines 28 to 70 wordDelay 1100 // duration of the wait between words for Farsnworth method int cycleDelay 15000 // HALF the duration because the largest value is. It's a really really bad way of dealing with serial reading. However, the problem is, the delay () function is not. The program should wait until moving on to the next line of code when it encounters this function. This number represents the time (measured in milliseconds). It accepts a single integer (or number) argument. ![]() The delay after the available call is very bad practice. The way the delay () function works is pretty simple. Since nothing has been sent it's not got anything to wait for. I have the code working to constantly cycle the colours on it's own, but when I paste it into a 'while' function that is waiting for serial input (Serial.available() = 0) it runs once and then waits for input but doesn't cycle again. It delays until all bytes have been sent out of the UART. I have the bulk of the code working, the only thing stumping me is how to get the LED to cycle through the spectrum whilst waiting on a serial input. (There are 1000 milliseconds in a second.) Syntax. It's basically an RGB LED that will change colour to match an input on the serial monitor. Pauses the program for the amount of time (in milliseconds) specified as parameter. When used in simple sketches, you might not notice a difference when using the delay () function. Yes, you have have to call getResponse() in the loop, see updated answer. For that purpose, the method requires you to supply it with a whole number that specifies how many milliseconds the program should wait. I'm currently trying to do my first simple project written & designed by myself from the ground up. The delay () function allows you to pause the execution of your Arduino program for a specified period.
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