Remote control for presentations

Related tags

Web Applications go golang remote-control websocket gin-gonic keynote-slide-controller zalupa
Overview

Presento

The simplest possible cross-platform remote control for the presentations

Example

Current version with prompter looks like this:

3 2 1

Setup

Precompiled binaries

If you simply need the working product, just go here and download executable binary file for your platform

Install

For those who want to install it as a tool for terminal. Presento is written in Go so you'll need to install Go first. Once that's done, you can install the thing. Just run this:

$ go get github.com/alxrm/presento

That's it! Now you can always access it in terminal:

$ presento

Usage

NOTE: The only requirement is your cellphone has to be in the same Wi-fi network as your laptop, it simply would not work otherwise

As you can(or cannot) see on the GIF above, the flow is pretty simple:

  1. You launch the executable file(or run it from terminal if you istalled it), it will open the command line app with this text in it:
  Go to http://192.168.0.**:5000/**** to control

The link is generated with the 4-letter random sequence in the end

This was made because there might be those cases when someone sitting in the room might know the local address and try to spoil your presentation, so this should prevent such situations from happening

  1. Open the presentation on the fullscreen

  2. The link should be opened in your cellphone's browser, and by clicking on those huge buttons you can simulate keyboard press on the left/right buttons on the laptop that is showing the presentation thus changing the slides

  3. Look cool

Prompter

Sometimes it might be useful to have some lyrics while you're doing your keynote.

To add one, all you need to do is just to create a file prompter.md in the directory where your presento binary's been started from.

It'll just read the contents and render it as html, like in those screenshots above, nice and simple.

Reason

So most of the time, when I need to show a presentation it goes like this:

  • I launch it from my laptop, which is connected to the projector
  • I run to my laptop to change the slide (repeat this part)

Then this thought came:

"Well it would be nice to have the ability to change the slides, like all those guys I usually see on the conferences"

Contribution

Presento has some problems with building for Linux with goxc on the OS X, whilst it seems to be fine for the Windows/OS X. The problem comes from this awesome library, so if you can help it, you're more than welcome!

That html file, which is served via static server is also included in the binary, just use $ go generate before build everytime you change the html file, more on that here

License

MIT License. See the LICENSE file for more information.

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Comments
  • You need to kill process explicitly in OS X

    You need to kill process explicitly in OS X

    When you launch it first time it'll work, but on the second launch it might not work, because in the OS X apps, that was written in Golang cannot release the port by themselves(or I couldn't figure out how to do that automatically), so the app will close itself on the start.

    Anyway, to solve this you have to type in the terminal:

    $ pkill -9 presento

    This will kill the process, thus release the port and make it work.

    The problem is that you have to do it after every launch, it's kind of an issue, so I'm opening this one, but in fact it's a golang specific issue.

    NOTE: This problem has been seen on the OS X only, and if you've found it elsewhere, please reply in the comments here

    Anyone who has an elegant solution for this, you are absolutely welcome.

    enhancement 
    opened by alxrm 0
Releases(0.1)
Owner
Alexey Derbyshev
Alexey Derbyshev
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