TASK GOES BRR The device might have broke :( It outputs 01110000 01101000 01100001 01101110 01110100 01101111 01101101 when you put in the correct things to it.
In the video, the frames are of varying widths. By taking the square frames as dots and the wider frames as dashes you can get morse. The feet are used as whitespace and the vegetables indicate a new word. This gives you three words, Egypt, Angola and Japan. The ringing telephone is meant to lead you to connect the countries with telephone numbers. Each country has a telephone code for calling and these are 20 244 and 81 respectively for the listed countries. The walk shown on the video leads you to a sign with a reference to the showers at Dreamhack. Underneath the stairs close to the showers, is device with a 8-bit binary LED display with IR leds. These are only visible on camera. The device also has a button and a potentiometer, which is used for setting the value. If entered correctly all LEDs will blink and then display ASCII for the word phantom.