Air is a necessity for us human beings, so monitoring it is important. Air quality is monitored in terms of the Air Quality Index(AQI), a single-number scale used to tell how polluted the air is and ...

A microSD-card-sized RISC-V board plugs directly into a USB port, giving students and hobbyists a $6, fully open-source platform for bare-metal firmware experiments. PCB on hand Icy Electronics has ...

A stepper motor bug in a PLACITECH build turned out to be LED-update timing in code rather than a failed motor driver.

Astronomers say viewing conditions are promising for the Perseid meteor shower this year. A new moon will prevent moonlight ...

This week’s Hackaday podcast is a European affair again, as Elliot Williams is joined by Jenny List on a summer evening to review the week. And we have a feast of hacks for your delectation.

Willy Myco has made over 120 videos showing people his exact process for making everything from LSD to DMT vapes. Not everyone’s a fan of his methods.

The healthcare industry in Texas continues to expand. As the population ages, the need for medical services grows. Increasing medical services means higher demand for medical billers and coders who ...

Transmitting analog video via photons is old hat: that’s how everything started, after all, back in the day with over-the-air TV. Up the frequency of those photons from radio to visible ...

Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition to testing ...