The article discusses the features of the CM4, a palm-sized industrial computer.
It is about a third of the size of a typical credit card and comes with various features.
These features include Gigabit Ethernet, M.2 B KEY/Mini-PCIe for 5G/4G/LoRa module, Nano-SIM card slot, USB 2.0 ports, RS485 and CAN interfaces, MIPI CSI-2 camera connector, HDMI with 4K output, RTC battery slot, and more.
Important notes to consider are regarding hot plugging, fan voltage, writing CM4 via Type C interface, power supply, and avoiding simultaneous power from 12V DC and 5V Type C.