This document summarizes Yurie Yamane's presentation on using mruby to make robots. It discusses using mruby and TOPPERS on the LEGO EV3 to create an inverted pendulum self-balancing robot. It then covers creating a DIY self-balancing robot using a Raspberry Pi, gyro sensor, DC motors, and a motor driver. Code examples are provided for reading sensor values, controlling motors with PWM, and implem