International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

In this article, we present an idea for enhancing functionality of ordinary cardboard boxes for Industry 4.0. The simple sheet of paper and pencil were used for making an environmentally friendly sensor. By using simple technology and adhesive tape a system for opening detection was made. Emphasis was put on using off-the-shelf items; thus, everyone can replicate such sensor.