Jeff's been involved in the IT industry since before the Internet and spent more than 20 years working in technical support, system administration, network administration, and consulting roles. He ...

This new carrier board adds the ability to connect, monitor, control, and automate the large number of existing devices that were previously beyond the Pi’s built-in 3.3 VDC GPIO sensing and control ...

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 ...

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I2C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...