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.

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 ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

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 ...

Researchers at Rice University have developed EyeDAR, a compact, orange-sized radar sensor for safety ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

Crystal jellyfish have an eerie beauty: thanks to a natural protein, they emit a faint green glow. For decades, researchers have used that green fluorescent protein and similar molecules to light up ...

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, ...

Abstract: Internet of Things-based restaurant menu ordering systems have gained popularity in recent years because they provide customers with a convenient way to browse the menu and make orders ...