Project HomeSeismograph is a low-cost Arduino-based seismic vibration detector designed to monitor vibrations and display real-time signal changes on an OLED screen. The project was developed as a ...

I was looking for a sensor that could automatically detect falls to monitor the elderly. The first candidate that came to mind was a millimeter-wave radar sensor like the Aqara Presence Sensor FP2. It ...

Radio trackers have become an important part of studying the movements of wildlife, but keeping one running for the life of an animal has been challenging. Researchers have now developed a way to let ...

Please Don't Scroll Past This Can you chip in? The Internet Archive partners with libraries, archives, and institutions across the globe to preserve cultural heritage that would otherwise be lost ...

Prologue — Why an ESP32 Drone Now? March 2026. A video posted by DIY engineer "Max Imagination" on YouTube shook the hobbyist world. The title was "Build The Smallest ESP32 Brushless Rocket Drone | ...

RGB_LED_7_Colour_blink.ino RGB_LED_Common_cathode.ino Radar_Code_For_Arduino_Lcd.ino Radar_Code_for_Arduino_Uno.ino Rain drop Sensor with Servo motor Schematic.fzz Rain drop Sensor with Servo motor ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...