Fig. 1: All-printed chip-less wearable sensor-processor integrated neuromorphic system (CSPINS) for multimodal health monitoring.
From: All-printed chip-less wearable neuromorphic system for multimodal physicochemical health monitoring
a Schematic illustrations of the wearable CSPINS, designed to collect, process, and analyze multimodal physicochemical data for real-time medical decision-making. b Layered architecture of CSPINS, consisting of a multimodal physical sensing layer, a complementary circuit amplifier layer, and a synaptic sensing and neuromorphic processing layer. c Data flow within CSPINS, detailing the stages of signal transduction and processing of synaptic biochemical sensors (i), core body temperature sensor (ii), heart rate sensor (iii), as well as computing and decision-making operations (iv). IN, input; OUT, output; GND, ground; VDD, positive supply voltage; VD, drain voltage; VWC, weight-control voltage. d Scalable fabrication of the wearable neuromorphic device using inkjet printing with a variety of organic and inorganic nanomaterial inks. PI, polyimide; PET, polyethylene terephthalate; MWCNTs, multi-walled carbon nanotubes; SWCNTs, single-walled nanotubes; P3HT, poly(3-hexylthiophene). e Optical image of the wearable neuromorphic processor attached on skin. Scale bar, 1 cm. f Optical image of the fully assembled CSPINS, featuring integrated physicochemical health sensors and processing units. Scale bar, 1 cm.
