Take a look at the tiny open source robop

The new tiny robot dog is 209 mm long, 109 mm wide and 165 mm high. Its weight is 560 g. Development

created with open source code, which users can change as they wish.

The robot can be programmed or controlled remotely in real time. The built-in microprocessor of the robops is Raspberry Pi 4B, it is compatible with the Ubuntu and ROS operating systems.

In addition, the robot can be equipped with third-partydevice, such as a lidar module for scanning and mapping the environment, and a camera with a depth sensor to identify and track objects. 

The robot dog can move in twelve ways, such as walking, jumping and trotting. According to the developers, 30 minutes of charging is enough for 25 minutes of operation with an 800 mAh battery.

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