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.

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Most modern cars have tire pressure monitoring systems (TPMS), which will alert you if your tires need air. While most of the readings they give are accurate, they can still fail like any other part ...

CU Boulder researchers have designed microscopic “racetracks” that trap and amplify light with exceptional efficiency. By using smooth curves inspired by highway engineering, they reduced energy loss ...

March 4, 2026 • We all know what gentrification looks like IRL — boxy, corporate-owned apartment complexes, places to get a quick bowl for lunch, streets that are dubbed "cleaner" and "safer" (even at ...

Want to claim cosmetic rewards and items for free in Disney Dreamlight Valley? This guide provides a complete list of all known available DDLV codes for free rewards, including codes for Inside Out 2, ...

February 23, 2026: We looked for new Dreamlight Valley redemption codes and verified our list. What are the latest Disney Dreamlight Valley codes? We've done some digging to make sure we've got the ...

Disney Dreamlight Valley codes are your best opportunity to unlock furniture and outfits without having to scour the Sunlit Plateau or Forest of Valor for materials and coins. Given how easy they are ...

Abstract: The growing need of energy efficiency and the sustainability of urban infrastructure has resulted in the use of smart technologies to automate the usage of public utilities. An example of ...