Question

can anybody suggest me best arduino project worth 30% term marks​

Answer 1

Answer:

If you want to do something with the help of your robot and still have manual control over it, the robot arm with a controller is one of the most useful Arduino projects. It uses the Arduino UNO board if you're wondering

Answer 2

If you are using Arduino Uno, these are some of the best ideas:

1) Arduino controlled sunflower.
2) 3D printer ( if u have the materials, else avoid this)
3) robotic arm
4)line follow robot
5) voice controlled lamp