The purpose of this experiment is to figure out how widely can the ultrasonic sensor sense.
Procedure
1. In front of the robot, stick a piece of long tape on the ground.
2. Randomly place the can ON the tape to figure out the longest distance that the robot can sense. It's very important to eliminate every obstacle between the can and the robot.
3. Once you have found the distance, draw a circle on the tape to mark it with a maker
4. Using the marker, draw a line on the tape every 10cm wide. Make sure lines not to exceed the circle.
5. Place the can out of the tape (in other words, on the white board) You must check if the robot shows distance in cm instead of ??????? If you find difficulty to put the can at the right place, try putting the can closer to the tape.
6. Draw a circle where the center of the can was at.
7. Repeat 5-6 until you get 15 points. It's good to get a circle at a different distance from before.
8. Deem of the place where the robot is the origin (0,0) of x and y axes. Find x and y coordinates of every circle.
9. On the recording paper, draw every circle according to its coordinates you've obtained. Keep in mind that the ratio of the actual distance and paper is 5 to 1. In other words, 1 cm on the recording paper is equal to 5 cm in reality)
This copying to the paper enables us to manage the data very easily !!!
Very clear instructions! Nice job. You might consider concluding with an explanation of 'why' you need to record the data now on to a piece of paper (ie storing this data in a manageable form for future use).
ReplyDeleteWell done!
Your instruction have clear details. This will be helpful to other people who want to do this experiment on this outside of the class.
ReplyDeleteI like the way you organize you procedure, it helped me to understand more clear about the experiment.:)
ReplyDelete