Collaborate Disseminate
As a standard feature of the Linux kernel, device tree overlays (DTOs) allow for easy enabling and configuration of features and drivers, such as those contained within the standard firmware …read more Continue reading A Power Button for Raspberry Pi, Courtesy of Device Tree Overlays
It probably goes without saying that hardware hackers were excited when the Raspberry Pi 4 was announced, but it wasn’t just because there was a new entry into everyone’s favorite line of Linux SBCs. The new Pi offered a number of compelling hardware upgrades, including an onboard PCI-Express interface. The …read more
Continue reading PCIe Multiplier Expands Raspberry Pi 4 Possibilities
Are you already comfortable working with Serial Peripheral Interface (SPI) parts and looking for a challenge? We suspect many of you have cut your teeth on 8-bit through 32-bit microcontrollers but how much time have you spent playing with hardware interfaces on embedded Linux? Here a new quest, should you choose to accept it. [Matt Porter] spoke in detail about the Linux SPI Subsystem during his presentation at FOSDEM 2017. Why not grab an embedded Linux board and try your hand at connecting some extra hardware to one of the SPI buses?
The hardware side of this is exactly what …read more
