More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...
For anyone getting into the world of programming, the Raspberry Pi provides a great environment, and it's dirt cheap. Unlike a regular PC, the Pi has been designed from the outset around programming.
You can use a Raspberry Pi to automate your entire smart home without spending too much extra cash. Home Assistant's software simplifies setting up your automations with various smart home devices.