An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE ...

The LED matrix 8x8 is a system of 64 interconnected LEDs that, with the help of the MAX7219 LED driver, light up as programmed, and all of this is located on one board and is truly easy to use. You ...

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 ...

This is a Simon Game for Arduino with a 7-segment display to show the score. It's based on the online version at https://wokwi.com/projects/328451800839488084. To ...