Error Open Serial Port
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software that is compatible with Arduino. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise serial port error arduino to the top Error opening serial port 'COM1'. (Port busy) up vote 1 down vote favorite Im using the arduino Micro pro to read the data out of a temperature sensor (lm35). The program is compiling and NOT uploading, but when I try and open the serial monitor is says: Error opening serial port 'COM1'. (Port busy) arduino-pro-micro share|improve this question edited Nov 26 '15 at 20:16 asked Nov 26 '15 at serial port error codes 19:53 M. Shaaban 614 To be able to help you it would really help to know your development environment (what OS are you working on, how are you connecting to the serial port, etc.). The message suggests that another process using the serial port, it could be as simple as need to close and reopen your terminal emulator. –dlu Nov 26 '15 at 20:01 Im using windows 8.1, and im connecting to the serial port via usb. –M. Shaaban Nov 26 '15 at 20:04 How are you connecting to the serial port (what software are you using to received the serial data)? I don't do much with Windows, but I think the problem that you're having is that your terminal emulator is expecting to see the data on your COM1 port but you're actually transmitting the data over USB and a virtual serial port. The serial monitor in the Arduino IDE picks up the serial port from the setting in the menu Tools > Port (which is also used for your upload), but other programs will need it to be explicitly set. –dlu Nov 26 '15 at 20:09 the software is built in the arduino IDE. I edited the post the code is not uploading, o
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Answers File Exchange Cody Blogs Newsreader Link Exchange ThingSpeak Anniversary Home Ask Answer Browse More Contributors Recent Activity Flagged Content Flagged as Spam Help Trial software http://arduino.stackexchange.com/questions/18153/error-opening-serial-port-com1-port-busy kim poh chiew (view profile) 1 question 0 answers 0 accepted answers Reputation: 0 Vote0 Failed to open serial port COM3 to communicate with board Uno. Asked by kim poh chiew kim poh chiew (view profile) 1 question 0 answers 0 accepted answers Reputation: 0 on 26 Nov 2015 Latest activity Commented on https://www.mathworks.com/matlabcentral/answers/257651-failed-to-open-serial-port-com3-to-communicate-with-board-uno by sachintha dahanayaka sachintha dahanayaka (view profile) 0 questions 0 answers 0 accepted answers Reputation: 0 on 4 Sep 2016 377 views (last 30 days) 377 views (last 30 days) Encounter this error when i tried to connect my arduino board with my matlab :Failed to open serial port COM3 to communicate with board Uno. Make sure there is no other MATLAB arduino object for this board. For troubleshooting, see Arduino Hardware Troubleshooting.Can anyone solve this? 3 Comments Show all comments Madhu Govindarajan Madhu Govindarajan (view profile) 0 questions 84 answers 11 accepted answers Reputation: 64 on 30 Nov 2015 Direct link to this comment: https://www.mathworks.com/matlabcentral/answers/257651#comment_326562 Have you confirmed that the board is indeed on that port if not have you tried mentioning the port explicitly?Please provide us the exact code. ABHISHEK MAURYA ABHISHEK MAURYA (view profile) 3 questions 0 answers 0 accepted answers Reputation: 0 on 6 Apr 2016 Direct link to this comment: https://www.mathworks.com/mat
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about http://stackoverflow.com/questions/25569040/processing-serial-port-error Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Processing serial port error up vote 0 down vote favorite I'm trying to get serial port my arduino to communicate with a processing program. Every time I do it I get this error: "Error opening serial port /dev/tty.usbmodem1441: Port busy". My arduino is using the same port. Here is my processing code: import processing.serial.*; Serial myPort; String val; void setup() { String portName = Serial.list()[5]; myPort = new Serial(this, portName, 9600); } void draw() { if ( myPort.available() > 0) { val = myPort.readStringUntil('\n'); } println(val); } serial port error I got it from https://learn.sparkfun.com/tutorials/connecting-arduino-to-processing and I didn't change anything. serial-port arduino processing share|improve this question edited Mar 15 '15 at 18:24 kontur 2,5091843 asked Aug 29 '14 at 13:13 user61941 1714 2 Just fyi: you can't have the Ardunio serial port monitor while trying t connect to the Arduino from Processing. (you don't mention if that is the case, but it is a common error). –Will Tower Aug 30 '14 at 0:32 Thanks a lot I did that and it worked! –user61941 Aug 30 '14 at 3:27 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote If you have the Arduino serial monitor open, attempting to connect to the serial line with Processing will create a conflict, resulting in that error. Simply close the serial monitor and try starting the sketch again. (Maybe reset Arduino too by clicking Reset button near AREF) share|improve this answer answered Apr 11 at 22:38 Brendan 185 add a comment| up vote 0 down vote You cant use same port for two diffrent purpose at a same time. check if that is the case. If thats not the case then try restarting arduino and pc both. also make sure you are connected to the rig