“…2 Furthermore, these sensors can be used for human health monitoring, 3 human motion detection 4,5 and soft robotics applications. 6,7 There are four major sensing techniques used in strain sensors, such as capacitive sensing, 8,9 piezo-electric sensing, 10 piezo-resistive sensing [11][12][13] and optical sensing. 14,15 Reports are also available in the literature on flexible pressure, strain sensors and carbonaceous nanomaterials for application in motion monitoring, electronic skin, solid-state supercapacitors, speech/handwriting recognition, etc.…”