They also feature sophisticated eye-tracking, hand movement detection, and even a pulse sensor in the nose pad, all working together to interpret users’ actions, focus, and emotional responses.

a wireless pulse diagnostic device, based on a micro-electromechanical systems (MEMS) pressure sensor array, was designed to detect sleep apnea. The arrayed MEMS pressure sensor configuration within a ...

Using NodeMCU ESP8266 for controlling switches (Relay). Uses RTC (Real Time Clock - DS3231) and NTP (Network Time Protocol) for maintaining time. OLED Display (128x64) for instant updates. A webserver ...

💧 Monitoring water tanker level using NodeMCU ESP8266 and HC-SR04P Ultrasonic Sensor and broadcasting it using a simple HTTP server inside NodeMCU ESP8266 and show data in an Android App Using ...

Abstract: A novel pulse sensor based on ultrawideband (UWB) radar to detect the arterial vessel movements on various sites on human body without applying external pressure on the arterial vessel was ...