BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

I'm returning to an old project today to fix it since it got broken during my recent move. This toy I made for my dog is very fun project where an Arduino controls two servos so they can move a laser ...

The system is built upon four foundational pillars: Autonomous Safety: Utilizing MQ-series gas sensors and flame detectors to provide real-time protection against fire and gas leaks through automated ...

Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...

[Robi] and [Kathy] from elecfreaks have put together a how-to article about a Laser Piano they just built. Instead of keys, the user breaks beams of laser light to trigger the sounds. Several laser ...

The Creality Falcon A1 Pro arrived well-packaged with protective foam securing every component during shipping. The machine comes nearly fully assembled, requiring ...

Saudi Arabia's high-tech gamble on Chinese laser weapons is faltering. In a bid to shield vital oil facilities and billion-dollar Patriot batteries from drone swarms, Riyadh turned to China's ...

Laser engraving has always been about power and precision, but for years, most desktop engravers asked creators to make compromises. You can gain speed, but you lose accuracy. You could get power, but ...

In this Arduino project, I show you how to build a simple servo laser tower controlled from a smartphone app called Blynk. This is ideal for making a toy for your cat or dog. #ArduinoProject #CatLaser ...

Back in January, Samsung gave CES attendees a first look at what was claimed to be the "world's most compact triple-laser ultra-short-throw projector and touch interaction device." The Premiere 5 has ...

The newly announced H2D has a lot more going on than just 3D printing. It's a manufacturing menagerie that could lead to creative new ideas. But does it all work together? James has been writing about ...