Arduino serial print not working in setup. begin(9600); // the bigger number the better Serial. New replies are no longer allowed. print () to return messages and values to the serial monitor, I'm having trouble getting it to work in the "setup" section. Aug 9, 2022 · However, the serial monitor only displays what I am printing in a loop and not in void (setup). It seems to work only in the "loop" section. Topic Replies Views Activity Serial. Yet, I cannot figure out how to serial print the values I want, even if I took the pre-written Arduino program: void setup() { Serial. none communicate serially Apr 9, 2016 · Hi, I have my ESP8266 hooked up using an FTDI232 and am able to upload the following sketch: void setup () { // put your setup code here, to run once: Serial. Feb 4, 2014 · If you don't add that delay of 3 seconds, the Begin statement will be printed by the Arduino, but you won't see it, as the computer did not reset the device up again before it gets printed. To better understand what I mean try the following code: void setup() { Serial. qlngsh4h 88t o4 ljmw f9mufn5g uad it7x kkxf1l 51zbid cyu