Solved EXT-Pir module not working

[Pingu]

Hello everyone

I just installed the module EXT-Pir, but it is not working.
First I did this:

cd ~/MagicMirror/modules
git clone https://github.com/bugsounet/EXT-Pir
cd EXT-Pir
npm install

Then i put this code in the config.js

{
  module: 'EXT-Pir',
  config: {
    gpio: 21,
    reverseValue: false
  }
},

When i start the Mirror, then its jut normal working.
It does not shut down if there is no movement.

What can i do now? I have to get it working. I need this for school

Sorry for my bad english .-.

[bugsounet]

Hi, EXT-Screen is installed too ?

Like wiki of EXT-Pir says:

[Pingu]

@bugsounet Thank you!
I forgot to install that
Now it is working