Tiny: bit robot is a multi-functional smart car developed based on the micro: bit main controller. It supports Makecode graphical interface and Python programming.; It integrates multiple sensors, including a line-following sensor, ultrasonic module, sound sensor, spotlight, programmable RGB light, buzzer, and infrared receiver module.; It enables various functions such as infrared line following, obstacle avoidance and distance measurement, sound control, music playback, infrared control, and APP control, while also providing opportunities to learn programming skills