Popularization of the fight against coronavirus.

Friends! I decided to experiment a little with the movement of the robot along a curved trajectory (see one of my previous videos ) and added an ultrasonic rangefinder with the ability to detect the obstacle on which I drew the symbol of the coronavirus and which we all need to fight. I decided to contribute to the fight against the pandemic caused by the coronavirus around the world... I want to draw Your attention to the fact that the robot twitches slightly when moving along