Sensor Decals: a Minimum Effort Approach to Sensors on Unconventional Substrates and Surfaces

In this contribution we present a minimum effort approach to sensors for physical quantities like, e.g., force, pressure, strain, and temperature without the need for cost-intensive lab equipment. Only adhesive tape, carbon black, some kind of cutting tool, and a heat source are needed to fabricate sensors that can easily be affixed also to unusual and curved surfaces. We demonstrate the ease of fabrication and usage at the example of a rather generic sensor structure that can be used to measure strain, force/pressure, and temperature at virtually any chosen point of interest.