The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.

How it works is simple: you can track devices using Bluetooth on the ESP32, and through a combination of presence and signal strength, you can define a sensor that changes to an "on" state when your ...

Fringe field-based capacitive proximity sensors are well-suited to detect the presence of both conducting and nonconducting objects. The configuration of electrodes within these sensors significantly ...

In this article, we demonstrate an ultra-low energy eye gaze tracking system and distance ranger based on scleral coils developed specifically for smart contact lenses. The system comprises of a set ...