Dingchang's RK3566 development board has a PCBA whole - board size of only 74.5*71*18mm. The board design is compact and the functions are streamlined. It only has an on - board HDMI, 4 USB ports, 3 TTL serial ports, 2 GPIOs, and functions such as a watchdog can be optionally configured.

Here is more introduction to this ultra - small Rockchip RK3566 board.

A dedicated Android 3566 development board for screen - equipped amusement arcade game machines, coin pusher machines, etc. It is independently developed by Dingchang and has been optimized for Android 11 and Linux game development. It can run 2D and 3D games smoothly. It streamlines interfaces such as network ports and supports 4K industrial screens, commercial display screens, and TV screens. It only retains the functional interfaces necessary for local game development to improve cost - effectiveness. It has been mass - produced. The motherboard PCB size is only 74.5*71*18mm, which is convenient to install in the chassis. It has 4 USB ports, 3 TTL serial ports, and 2 GPIOs.

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