[Evan] wrote in to let us know about the LED matrix infinity mirror he’s been working on. [Evan] built a sizable LED matrix out of WS2812B LEDs and mounted them to a semi-reflective acrylic sheet, ...

This project demonstrates how to represent a decimal number (from 0 to 15) as a 4-bit binary output using an Arduino. It uses four LEDs connected to GPIO pins to display the binary equivalent of the ...

[Credit: Djandco on Instructables] The Look of Disapproval (made using the unicode character for the letter “tha” in the Indian language of Kannada and an underscore) is possibly my favorite ...