I have a cloud web app using asp web api and angular. Both hosted on azure. I need my angular app to be able to communicate to serial port (read/write). How can I do this?  I've read that chrome apps can connect to usb/serial, but i'm still c...

i use serialport module in node js , and execute the code like this, but error occurred.  for(i=0; i<5; i++){     a(i) ;  }  function a(i){      port = new serialport(port_name,{           baudRate:9600 ,           parser: new serialport.parsers.R...

I have created a chrome application to connect to a Pole Display through serial port, I have succeeded with writing to it, but every time I send a message, it concatenates it with the previous one, I can't find a way to clear the screen each time...

How can I dispose the serial when the promise is rejected?  The dispose function prints error for rejected promises.     Unhandled rejection TypeError: Cannot call method 'isOpen' of   undefined   var pingPort = function(port){     return new...

Is it possible to communicate over a machine's serial port through JavaScript?  I have to write a short program that sends data to a microcontroller over the serial port that has a GUI and is cross-platform compatible, and I really don't want...

Recently received a request to add communication to a device connected via serialport on the client's machine through my webpage.  I'd done some googling and found that node.js with node-serialport seems to be the javascript way of doing it....

I am currently working on a project that involves a 4 Port A/V switch.  This switch can be controlled via RS-232.  The computer that will interface with the switch runs Vista.  I would like to create a sidebar gadget that has 4 buttons- 1 for each po...

In my web application(sencha extjs 5) I have a user requirement to read/write data to the client PC serial port.   I am aware of the client browser can not access local machine hardware without installing some binaries on the local machine(Native app...

I have a header that I include on different pages. Inside header I have   <meta http-equiv="X-UA-Compatible" content="IE=10" />   It works on one page, but when I click a link to another page with same header it becomes default...

I'm writing an application that needs access to a serial port (it's a credit card reader). I'd like to be able to read and write to the port. The following seems like it would let me do exactly that: http://www.activexperts.com/serial-por...