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.

Pin configuration by user is available. See Configuration section. Wire length between Pico and SD card is very sensitive. Short wiring as possible is desired ...

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 ...