After a major water leak flooded my home, I realized alerts alone weren’t sufficient—I needed automatic shutoff. This project combines a hacked Gröhe Guard system, an Arduino Nano, an ESP32, and the ...

The function of an LED is to emit light when the device is forward biased within its operating range, and it’s known by most people that an LED can also operate as a photodiode. Perhaps some readers ...

A new two-component epoxy system offers high mechanical bonding and efficient heat conduction, addressing thermal challenges in power electronics, LEDs, battery modules, and industrial assemblies. The ...

Includes ESP32-based circuit schematics, GPS module integration, power regulation (MCP1700/LD1117), relay control, and protections (TVS, diodes). Designed using Altium. bousnina-loujein / ...