An Arduino Nano-based pulse oximeter and heart rate monitor using the MAX30102 sensor and a 0.96” OLED display. Displays SpO₂ and BPM in real-time, with push-button control and buzzer alerts. Compact, ...

This project demonstrates how an ESP32 can read distance data from an HC-SR04 ultrasonic sensor and send it to a Linux server over Wi-Fi using a TCP connection. The system also uses three LEDs to ...

This one is an unusual smart home project, potentially - how to monitor a fish tank’s health with an AI-enabled ultrasonic sensor system. The detailed project is highlighted on Hackser.io and features ...