Motion detector robot with Atmega32, NodeMCU and android application
The robot can be controlled for forward, backward, right and left movement by the application wirelessly
The robot will stop if it meets a barrier 10 cm or less in front of it
When the robot is not moving, the buzzer will beeb when any movement is detected within arround 3m of the robot with 3s delay
https://www.youtube.com/watch?v=9npScfWNkXA