Yahboom STM32 2wd Self-Balancing Robot,Two-Wheeled Intelligent Robot Chassis Kit,PID Obstacle Avoidance Encoder Motor (Standard Kit)

This is Yahboom's basic balancer, no additions. I have this one sitting on my desk at work, but I have three other models with the additions for them. You can order the additions for it (cameras, LIDAR, line tracker, etc.). The only thing you can't order for it is the ESP32 communications module, which I was hoping to get. In order to get that module, you would have to purchase their microROS version of this balancer. Other than that, their self balancers are well-structured and well built. A quirk of these balancers is that they do come fully assembled, but you will have to disassemble them in order to add the robot's other parts (battery, bluetooth, OLED, etc.). The app for the robot controls it pretty well, but there is about a half second lag between app input and robot response. All in all, nice little robot. I would recommend.