This $5 Sensor Knows When You’re Too Close (ESP32 Distance Alarm System)
Table of Contnets- ESP32 Distance Alarm System The “Back Off!” Moment Imagine this. You’re working on your laptop. Someone walks too close to your desk. BEEP. RED LIGHT. WARNING. ESP32 Distance Alarm. They step back. Silence. Blue light. Peace. This isn’t a scene from a spy movie. It’s a $5 sensor, an ESP32, and two…