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 ...

The board adds eight output and eight inputs to Raspberry Pi, as well as various LEDs, switches, and a couple of relays. Most importantly, adding one to a Raspberry Pi turns it into an autonomous ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O Controller With Relays, Analog I/O, and Modbus for the Raspberry Pi. In the ...

the Raspberry Pi 5 while being smaller for industrial and embedded applications, was released on November 27, 2024. At the same time, I/O boards and fan-equipped cases that can be used in combination ...