Most voted "serial-port" questions
Use the tag for serial port communication programming. Hardware issues are outside the scope of the site. The serial interface or serial port, also known as RS-232, is a communication port used to connect various types of hardware equipment.
Learn more…23 questions
Sort by count of
-
17
votes1
answer270
viewsError in serial port of Arduin with communication between C and Perl
I have to make a language communicate with the arduino and vice versa. I own the program at C and I have to modify it for this project, the language I have to use is Perl. Follow the code I have:…
-
4
votes1
answer92
viewsWhy is it possible to open serial ports (COM) on Windows using file functions?
How does this happen? There are other ways to open or just this Digo, in languages like C, PHP, Python, etc.
windows filing-cabinet language-independent serial-portasked 8 years, 8 months ago Guilherme Oliveira 43 -
4
votes1
answer394
viewsValidating USB Serial Port Name
People, I am doing the approval of a scale in c#, I can make the communication via code all right, however when making the connection, I need to specify the name of the port, I have other connected…
-
3
votes1
answer2578
viewsTcomport - Delphi Xe7
I need a component that can read serial port, I’m making an application integrating with Arduino. I saw that there is Tcomport, but I can not install in Delphi xe7, someone has already managed??…
-
3
votes1
answer126
viewsLosing data while communicating with C#
Man Arduous sends data continuously to my C# via serial port. However, I understand that the first figures sent by Arduous are simply disappearing, sometimes disappear more numbers, sometimes less,…
-
2
votes1
answer1464
viewsSend CR LF via Serial port c#
I’m communicating by Serial (SerialPort) with a device that requires me to send commands CR LF at the end of each instruction for the device to understand that an instruction has been sent to it.…
-
2
votes1
answer93
viewsProgrammatically uninstall hidden devices
Uninstall hidden devices manually: Device Manager Doors (COM and LPT View Menu → Show Hidden Devices Uninstall device (The name is no longer reserved) As you can see, I know the steps necessary to…
-
2
votes0
answers315
viewsC# Bina with Usb Fax Modem
I would like to know a way to get the phone number of a fax modem usb, using C#. Example: I have a computer with a fax modem usb connected to a telephone line, when someone calls me my system picks…
-
2
votes0
answers132
viewsCommunicate with Arduino through the COM4 port
I created a code in c# to communicate with the Arduino uno. He has to pass me what the tag passed by the rfid reader and show in a textbox the value. I added the serialport1. Code:…
-
1
votes1
answer1576
viewsHow to access the Serial port of a computer in Java?
How do I access/control a Serial Port through Java? Currently I was able to access in C++, but in Java I don’t know how to do. Any suggestions?
-
1
votes0
answers89
viewsTransform incoming Veederroot data
Good afternoon Person, I have looked in several places and still can not find the solution to my problem, I hope you can help me. I’m making a communication in Delhi with veederRoot through the…
-
1
votes0
answers67
viewsMultiple connections in serial port
I am writing a software, in Node.JS with Electron, that connects to a non fiscal thermal printer, but I ran into the following problem: On the client, they use a third-party software that connects…
-
1
votes0
answers220
viewsHow do I access a serial port from an SSH remote server with PHP?
I found about SSH and socket connections to remote servers and also about connections to local serial ports, but I still can’t find out how to put things together. Scenario: I need to access the…
-
1
votes0
answers38
viewsData transmission with Arduino
I’m monitoring 3 analog inputs of one Arduino UNO and I don’t know if the way I’m sending data to serial is correct, because when I try to receive the information in another language(C#) does not…
-
1
votes0
answers163
viewsProcessing of data received by the C#Serial Port
When I read the data from the Serial port in C# and add in a String RxString i receive the following strings: "??\u0002???? u0002???? u0002???? u0002???? u0002???? u0002????? u0002????..." or "????…
-
1
votes0
answers59
viewsHow to use hexadecimal write on serial port
I have a java routine to print on a serial port. I need to pass this routine to c# are very similar, but I believe I’ve bumped into some differences: byte btCmds[] = new byte[200]; stValue = "748";…
-
0
votes1
answer201
viewsSpyder can’t read serial port
I created the following test program: import serial porta = '/dev/ttyUSB0' baud_rate = 9600 try: Obj_porta = serial.Serial(porta, baud_rate) valor = Obj_porta.read() print valor Obj_porta.close()…
-
0
votes0
answers94
viewsSend bit to specific parallel port pins with php
I need to send a bit (pulse) to specific pins of a parallel port to control some stepper motors... With the php_serial.class.php class I know how to send a string, but how to send only one bit and…
-
0
votes1
answer1081
viewsConnection portal serial scale using JSSC
I communicate with a scale via serial port, and today I use the library JSSC however the returns of the hour balance are of weight and time are of different characters, researching I have come to…
-
0
votes0
answers478
viewsHow to print on a Bematech MP-4200 TH thermal printer using Javascript?
I need to print a bill of sale through a web application, where I developed the front using Vuejs and the back built an API with Laravél, and I’m looking to integrate a Bematech MP-4200 TH printer,…
-
0
votes0
answers214
viewsSocket Bluetooth Windows - Can’t connect to device:(10049)
I am having socket error problems with code 10049 when I try to connect a bluetooth SSP device, serial port service, in Delphi Tokyo 10.2 in Windows environment using a Tbluetoothsocket class. Error…
-
0
votes1
answer38
viewsMonitoring Arduino analog inputs
I am monitoring more than one analog input of one Arduous at all times, that is, at all times I am sending data via serial to other software. What would be the best way to send this data so that I…
-
-1
votes1
answer1913
viewsC# Read balance weight Toledo Prix PS 600 line
Hi, I’m trying to get the weight of a Toledo Model PS 600 scale. I used the example of the link below to carry out the communication: rnmioshi Oil Github So far I can capture the COM port where the…