Abstract
Soft mechanical strain and pressure sensors are critical components of electronic skin (e-skin) and its wide-ranging applications including health monitoring, rehabilitation, robotics, Internet of Things (IoT) etc. This chapter reviews the state-of-the-art research related to the flexible and wearable pressure and strain sensors, particularly the ones developed using unconventional fabrication processes such as multi-material 3D printing and microfluidics. Various transduction mechanisms for pressure and strain sensing such as resistive, capacitive, piezoelectric etc. are discussed. Lastly, the challenges related to the integration, robustness and achieving energy autonomy for e-skin using these mechanical sensing technologies are presented.
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