Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...

If you’ve ever experimented with a microprocessor at the bare metal level, you’ll know that when it starts up, it will look ...

Library using Java 11 and Pi4J v2 to interface with PN532 NFC modules from a Raspberry Pi. Almost completely re-written and updated for Java 11 and Pi4J v2. I2C, Serial, and SPI are all working.

Project discussion group: https://groups.google.com/forum/#!forum/pi4j Unless required by applicable law or agreed to in writing, software distributed under the ...

A Raspberry Pi can open up all sorts of possibilities, but these tiny PCs can have a variety of other, unexpected uses. Here ...

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 ...

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 ...