session 9

Select all the blocks we use in pictoblox coding to create a loop.

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In pictoblox, we create conditions to have better control of the code. Which two blocks do we use to create conditions?

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In robotics using quarky, what do we use to sensor the black and white colors during the line following project?

• ultrasonic sensors

• touch pins

• IR sensors

• servo motor

In the line following project, what helps the robot decide whether a sensor is "active" or "inactive" based on its reading

• threshold value

• variable

• IR sensor

How do we calculate the threshold value in our line following project?

• A value determined by trial and error without any specific method

• The difference between the maximum and minimum sensor readings.

• The average of the sensor reading when the sensor is positioned on a white surface and the sensor reading when positioned over a black surface on the green arena.

• The sensor reading acquired when the sensor is precisely aligned with the edge of the line, measured under consistent lighting.

Why do the sensor readings for the black and white from the IR sensors keep changing?what might be causing it?

• temperature changes

• light changes

• reflection

• distance

When we are not pressing the up arrow, the robot will not move forward

• True
• False

When we are not pressing the up arrow, the robot will not move forward

• True
• False

From the image, what part of the quarky have you not interacted with during the class?

• servo ports

• touch pins

• generic inputs outputs

• LED display

Thank you young coder for taking the Robotics course and attending the classes!! 🎇💯

💫

By. Ms Edith

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