The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...

This is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574 ...

<<: !include { file: interfaces/i2c.yaml, vars: { bus_id: "bus_a", sda: "GPIO21", scl: "GPIO22" } } # <<: !include { file: interfaces/i2c.yaml, vars: { bus_id: "bus_b ...