I’ve attributed some weird behavior to my lack of C++ expertise. However, I decided to spend a couple of days to track down missing serial output on my USB COM3 Windows 10 port. After trying a bunch of simple tests and finding a hint in documentation about serial stuff happening in Loop(), I verif…

@Erhughes1944 , I always use Serial.begin() in setup() and never had any problems. If you can share you code, I may be able to advise.

[image] Erhughes1944: Serial.available() I think the lower bound for Serial.available() might be 0 --> https://docs.particle.io/reference/firmware/electron/#available- I usually use while(!Serial.available() Something minimal to test: int counter = 20; void setup(){ counter = -10; Ser…

retract retract Setup() s/b setup() arghh!

Serial.begin kills Setup() in Electron

Troubleshooting

ScruffR April 1, 2016, 5:20am 6

Here is an overview of some tricks to make your posts look nice
Forum Tips and Tricks

Topic		Replies	Views
Serial.println statements not printing in Setup() Troubleshooting electron	4	4292	June 22, 2019
Serial1.available() Stange behaviour in loop Firmware electron	3	590	October 8, 2022
While (!Serial.available()) does not appear to work with 0.8.0-RC.27 BLE // NFC xenon	3	960	December 31, 2018
Serial.begin seems to have issues? Firmware	2	1212	September 8, 2014
How to see first Serial.print outputs? Firmware	6	3020	March 29, 2016

Serial.begin kills Setup() in Electron

Related topics