Thursday, February 19, 2009

Second Project in Classroom...

Lifting & Recycle Task:
"Pick Up Bot.."

Concept:


For this week, we need to build up a robot that can lift things and recycle for a few times. The design of the robot is high to bring up things to the higher place. The based have to be stable so that we made up a wider base. Then, we create the program which enable it to do the same task for a few times. There are few sensor that we have used which are ultrasonic sensor and light sensor. The ultrasonic will functioned as To see the object and the light sensor will choose the red ball and bring it to some distance that we have decided.

Problems statement:


During the lifting task, problem occur which the software had been wrongly set that makes the robot change the colour of the target. It pick the blue ball which is wrong. After we analyze the problems, it shows that the sensor was damage.

Problem Solving:

So, to solve the problem, we decide to change the ultrasonic sensor with the other. Then, we reset the programming. By that the sensor can identify the true object which is red ball. By all that, we realized that it is important to check either the sensor can function properly or not.

As a group we all enjoy the activities and we have learn things especially on the command of loop and timer. Besides that we also learn about the light sensor on how to read the value that enable the sensor to read true value. This is important because if the value is wrong, it will effect the reading.

Below is some pictures during the activities. Take a look...



It's me with my Pick Up Bot..


Finally, the Pick Up Bot can identify the red ball..!!



It's Salmiah with our bot..Peace!!!

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