[The Backwoods Engineer] tested out a new accessory kit for the STM32-F4 Discovery board ... party add-on which adds Ethernet, RS-232, SD card slot, and a connector for LCD or Camera.

Now the company is showing off a new computer-on-a-module that’s smaller than an SD card, but which packs four ARM Cortex-A53 CPU cores, supports Linux-based software, and can handle 1080p video ...