Arduino Door Security System Project with MC-38 Magnetic Reed Switch | Door security for home [CODE] Channel: Tech at Home1K views • 05/04/2026Related VideosDIY door security sensor for $10 with an ESP32Lesson: 16 - How to Use Reed Switch with Arduino | DIY Door Security Alarm SystemArduino Magnetic Door Sensor: The Ultimate GuideHow to make a door security alarm with Arduino Reed switch and buzzer
