The ESP32 WiFi OneWire MQTT project is a simple way to read the data from DS18B20 temperature sensors connected to an ESP32 microcontroller, and send the data to an MQTT broker over Wi-Fi. You have ...

Abstract: In this tutorial, we discuss trade-offs in sensor system design. With examples from engineered systems in our laboratories, we address design considerations at the different system levels, ...

Abstract: Flexible wearable sensors, characterized by their stretchability, flexibility, lightweight, high sensitivity, and the ability to dynamically and continuously measure multiple parameters, ...

Note: This project was developed with the help of AI agents in VS Code (GitHub Copilot). Specifically, GPT-5.1-code was used for C coding and Claude Sonnet 4.5 for documentation and comments.

The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...