HackerGadgets Pi-Cast-Hat Raspberry Pi CM4 扩展板，带有 ATX 电源控制、RJ45 以太网接口、思科风格控制台端口和 USB 串口。

Dimensions: 86 mm x 56 mm x 15 mm

Interface Type: Ethernet, USB

Description/Function: An Expansion Board with ATX Power Control, RJ45 Ethernet, a Cisco-style Console Port, and a USB Serial Port.

Tool Is For Evaluation Of: Raspberry Pi CM4