SPI – Introduction to Serial Peripheral Interface
Whether you are a beginner or an experienced engineer, you will definitely come across SPI
SPI
Arduino Communication Peripherals: UART, I2C and SPI
UART, I2C and SPI are one of the most common and basic hardware communication peripherals
UART vs I2C vs SPI – Communication Protocols and Uses
When we’re talking communication protocols, a UART, SPI and I2C are the common hardware interfaces