An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

Seven-segment displays are needed in many instrument designs. In conventional microcontroller-based designs, four output port lines are allocated for one seven-segment display. Figure 1 shows the ...

The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and ...

Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, ...

S1, which combines the ESP32-P4 with an ESP32-C5 dual-band WiFi 6 module, instead of the more commonly used ESP32-C6 wireless ...

Continuum of Care program supports housing for veterans, families, and disabled States claim HUD changes violate federal law and target LGBTQ communities HUD's changes could affect 170,000 people, ...

It's easy to build, but this ESP32 and e-Paper project will bring endless satisfaction to the weather-focused.

There’s a type of dust-collector that’s been popular since the 1990s, where a cube of acrylic or glass is laser-etched in a three-dimensional pattern. Some people call them bubblegrams. While it could ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

Inorganic LEDs are light-emitting diodes (LEDs) made from a crystalline semiconductor. The optical emission wavelength can be selected by varying material composition. Example active regions include ...