System Bus

Wikipedia:A system bus is a single computer bus that connects the major components of a computer system, combining the functions of a data bus to carry information, ...

pressure-sensor

**BMP280

I2C and BMP280(2019-11-12)

SPI and BMP280(2019-11-12)

ONE WIRE and DS1820(2019-11-12)

I2C(2019-11-12)

Inter-Integrated Circuit

2C is a serial protocol for two-wire interface to connect low-speed devices like microcontrollers, EEPROMs, A/D and D/A converters, I/O interfaces and other similar peripherals in embedded systems. It was invented by Philips and now it is used by almost all major IC manufacturers.

SPI(2019-11-12)

The Serial Peripheral Interface (SPI) is a synchronous serial communication interface specification used for short-distance communication, primarily in embedded systems.

One Wire(2019-11-12)

1-Wire is a device communications bus system designed by Dallas Semiconductor Corp. that provides low-speed (16.3 kbps[1]) data, signaling, and power over a single conductor.

1-Wire is similar in concept to I²C, but with lower data rates and longer range. It is typically used to communicate with small inexpensive devices such as digital thermometers and weather instruments. A network of 1-Wire devices with an associated master device is called a MicroLAN.

device communications bus system

Device communication busses will be used, if you will connect many sensors directly to the microcontroller like arduino.