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 ...

The Waveshare Relay Board is a card that can be installed on top of the Raspberry Pi. It offers three relays. This project delivers a script to control the relays from the command line via GPIO. The ...

You will need one or more Raspberry Pis with the Waveshare Relay board running rpi-relay-hat-api. All the relays are retrieved from the boards, and are automatically ...

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 ...