Hiwonder MechDog Pro, a compact yet highly capable quadruped robot dog, is driven by an ESP32 controller and 8 high-speed coreless servos. Its remarkable agility and movement capabilities stem from sophisticated inverse kinematics algorithms. This open source robotic dog is designed for expansion, featuring ports for ultrasonic and IMU sensors. It supports a 3DOF mini robot arm expansion for autonomous object gripping and transportation. With built-in WiFi module, AI voice interaction, AI vision interaction, MechDog Pro provides an engaging platform for robotics education. Python, Scratch, and Arduino are supported and MechDog Pro provides comprehensive resources to start your robot dog development journey.