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 ...

Abstract: A miniature single-piston valve flow-matching water-hydraulic pump is described in this paper, which designs with a unique double-face cam mechanism to achieve the reciprocating motion of ...

A. O. Smith misleads consumers with a worthless warranty. The electric water heater I purchased malfunctioned the very day it was installed. The repair bill was More than $500. They paid only $100.