the Raspberry Pi 4 has six SPI controllers, six I2C controllers, and six UARTs – all on its 40-pin header. You can’t make use of all of these at once, but with up to four different connections ...
His latest creation is the Mini Server version 3, a modular enclosure system for the Raspberry Pi 4, is designed to turn ... for one or two cooling fans. Unlike previous version of the mini ...