ABSTRACT
Wearable electronics have crossed the lab-scale threshold for the last two decades with the development of game consoles, smartphones, new-generation automobiles, and textiles. Thus. wearable electronics have become a market worth almost US$100 billion in the early 2020s. Therefore, the attention of researchers has turned to textile-based electronics, such as medical sensors, sensors for sportswear, energy-generating and storing textiles, and gas-sensing textiles. As a result of the care and encouragement of developers in the field of health, textile-based sensors have formed one of the largest research areas. In this chapter, strain sensors and related concepts are described, and piezoresistive, piezoelectric, and piezocapacitive strain-sensing mechanisms are summarized. Finally, wearable strain-sensing devices are mentioned and notable examples are presented.
