This chip uses I2C to communicate, 2 pins are required to interface Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing ...
I2C is a two-wire, bidirectional bus protocol that enables effective communication between one master (or multiple masters) and one or more slave devices. It is a straightforward, half-Duplex, ...
Howerever I still recommend to have a look into the data sheet to get a deeper understanding. You can use both I2C and SPI. If you want to find out how to use SPI, look at the ...