Users Manual

CLASS 2

Debugging the tongs robot

If you understood how the code works before, let’s see a

code with some errors. The flowchart is made with correct

orders in sequence.

But, the code below has some errors. Read it through and

let’s find out what they are.

The flowchart tells the robot to

move forward. But, the code is not

telling it to move forward.

This block opens the tongs

Tongs robot and Debugging

Is this block opening or closing the tongs? Do you see the

problem?

The code above has two problems. Compare it with the

flowchart and fix the errors of the program.

Wait 2 sec

Open tongs

Move forward

Stop

Close tongs

Wait 1 sec

Program finish