cat ears

Guide / MixPlay / Stream

Tiltify donation trigger with cat ear LEDs guide

December 11, 2018

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Have you seen the cat ears that light up via viewer controlled buttons using MixPlay on Mixer? If you haven’t – here is a guide on how to make them.

But wouldn’t it be cool if every time a stream donation came in, the LED cat ears lit up? Well this is exactly what Lychi & I wanted to do for this week’s charity event, but there was no easy way to do it… until meow!

I had to figure out a way to get alerted when a donation gets in – so I thought the banner, which gets updated each time, would be the perfect target. The next thing I had to figure out is how to send a web request to the LED cat ears to trigger a pattern. I am using xampp 1.7.7 on Windows 10 to do this, so if you have issues with replication, use that version.

So let’s begin!

  1. Install xampp and start Apache from the control panel
  2. Go to http://localhost on any browser to confirm Apache is running
  3. Create a new folder called checker in the C:\xampp\htdocs\ directory
  4. Create a new file called checker.php in C:\xampp\htdocs\checker directory
  5. Open checker.php in your most tolerable text editor and get ready to copy paste and modify

Code time!

This will keep refreshing the page to check for changes – modify the $sec value if you need it slower or quicker for whatever reason.

<?php
$page = $_SERVER['PHP_SELF'];
$sec = ".5";
?>

The next few lines check for changes in the website by comparing the hash every few seconds. Anything before the } else { will run when no site changes occur [no donation], and anything after the } else { triggers after site changes [donation occurred].

If you wish to do something else other than a web request, remove $remote = fopen(“http://[WEB REQUEST]”, “r”); & fpassthru($remote); and put something else in there that you want triggered when a donation occurs. Be sure to add your event where it states [EVENT NAME HERE] as well.

<?php
$contents = file_get_contents('https://tiltify.com/events/[EVENT NAME HERE]/overlay/dashboard');
$hash = file_get_contents('hash');
if ($hash == ($pageHash = md5($contents))) {
} else {
$remote = fopen("http://[WEB REQUEST]", "r");
fpassthru($remote);
$fp = fopen('hash', 'w');
fwrite($fp, $pageHash);
fclose($fp);
}
?>

And lastly, some HTML.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta http-equiv="refresh" content="<?php echo $sec?>;URL='<?php echo $page?>'">
<title>Donation Checker</title>
</head>

<body>
Checking for donations...
</body>
</html>

I’m not sure how useful this will be for anyone else other than Lychi but hey, I figured I’d post it in case someone else is trying to do something similar and is having issues figuring it out. I know the guide is far from perfect, so if there are any issues with this or if you have questions feel free to ask them below! 🙂

Love you like tacos,
sorryaboutyourcats

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