Learning Math/CS/Engineering Design with Robotics
0.1.4. Key Features of the RoboBlocky User Interface
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Objective: Learn how to combine LED blinking with a "too close" ultrasonic trigger. Overview: The pre-placed code blocks initialize an ultrasonic sensor and keep reading the sensor as long as the distance read is greater than 3 inches. The program also blinks an LED module, using the green LED during the distance readings and the red LED afterwards. (Details on using the LED module can be found in the "Blinking an RGB LED Module" series of Arduino activities.) After you try running the code, modify it as directed in the Problem Statement.
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Modify the pre-placed code so that the "too close" distance is 6, and it blinks red while reading the sensor and blue (pin 11) after it stops. |
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Pre-Board Workspace
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Post-Board Workspace
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