This contains a library used to control the DFPlayer MP3 player using a serial connection from a Raspberry Pi Pico. It also includes example source code for a web based MP3 player using a Pico W. It ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

December 24, 2025 • The fight over the soul of higher education is very alive right now, with the Trump administration engaged in dozens of investigations and multiple lawsuits against colleges and ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

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 ...

There are three different programs included. The basic program is simple-lights.py which can be run on any Raspberry Pi Pico, with an appropriate external circuit. For a web based version you will ...

IISc physicists discovered that Ramanujan’s classic π-formulas arise naturally in modern theories describing critical phenomena and black holes. The connection suggests his early mathematics may have ...