In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

GRAND FORKS – Following a basement flood at the county courthouse earlier this week, Grand Forks County Commissioners briefly discussed at their meeting Tuesday the possibility of adding water sensors ...

EXPECTED TO BE EVEN HIGHER THAN IT WAS TODAY. UC IS ALSO RESPONSIBLE FOR A WATER TOWER THAT OVERFLOWED TODAY. THIS JUST IN, WE GOT A PHOTOGRAPH OF WATER SPEWING OUT OF THE WATER TOWER THIS MORNING.

The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...

Water leaks and water damage are one of my biggest fears as a homeowner. With hardwood floors throughout my house, even a small water leak could turn into a massive repair bill and a huge ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

The Des Moines River braids through a floodplain south of Woodward in Dallas County. A network of sensors across Iowa capture real-time data in rivers and streams, including nitrate, pH, temperature ...

DES MOINES, Iowa (Gray Media Iowa Capitol Bureau) - Three out of four of Iowa’s nitrate monitors will stop operating by next June after the state reallocated $500,000 in funding from the water quality ...

They linger in our water, our blood and the environment—so-called "forever chemicals” that are notoriously difficult to detect. But researchers at the University of Chicago Pritzker School of ...

What if we told you that the plastic shopping bag from last week’s grocery run could one day help detect toxic metals in drinking water? Sounds like science fiction? Think again. A dazzling new ...

The vital key to protecting your home from damage, both simple and drastic, is proper preparation. When you prepare your home for certain eventualities, you'll be able to catch these hazards in the ...