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 those wishing to learn to program in JavaScript, Python, C, C++, Rust, Java, or Go lang, the Pi 400 is an easy way in. The same applies to those wanting to learn about hardware, circuits, stepper ...