CxD Archive
Code: Robotics
Code: Robotics
  • Code Introduction
  • TUTORIALS
    • A. Meet Your Robot
      • A-1 Circuit Board
      • A-2 Motors and Wheels
      • A-3 Other Components
    • B. Hello World Test
      • B-1 Arduino Code Editor
      • B-2 New App Template
      • B-3 Global Variable
      • B-4 Setup Function
      • B-5 Loop Function
      • B-6 Upload App to Robot
      • B-7 Add Sound
      • B-8 Use Button
    • C. Driving and Turning
      • C-1 Driving
      • C-2 Turns (Pivoting)
      • C-3 Test Wheel Encoders
      • C-4 Drive for Specific Distance
      • C-5 Pivot By Specific Angle
      • C-6 Drive Straight Continuously
    • D. Detect Objects in Path
      • D-1 Test Mechanical Bumpers
      • D-2 Detect Collisions
      • D-3 Test Ultrasonic Sensor
      • D-4 Avoid Collisions
    • E. Detect Lines on Surface
      • E-1 Test IR Line Sensors
      • E-2 Follow Line
      • E-3 Avoid Line
      • E-4 Count Lines Crossed
      • E-5 Follow and Count Lines
    • F. Detect Other Conditions
      • F-1 Detect Surface Drop-Off
      • F-2 Test Accelerometer
      • F-3 Detect If Upside-Down
      • F-4 Detect If Bumped
  • REFERENCES
    • Arduino Language
    • Arduino Code Editor
      • Create New App
      • Save and Rename App
      • Include RedBot Library
      • Verify App Code
      • Upload App to Robot
      • Download Copy of App
      • Use Serial Monitor to View Data
      • Robot Demo App Template
    • Physical Inputs
      • Push Button (D12)
      • Mechanical Bumpers
      • IR Line Sensors
      • Wheel Encoders
      • Accelerometer
      • Ultrasonic Sensor *
    • Physical Outputs
      • LED Light (D13)
      • Speaker (Buzzer)
      • Motors
    • Robot Behaviors
      • Producing Alerts
      • Driving
      • Turning
      • Detecting Objects
      • Detecting Lines
      • Detecting Other Conditions
    • Navigation Modes
      • Distance Navigation
      • Line Counting Navigation
      • Line Following + Counting Navigation
      • Autonomous Navigation
  • LINKS
    • Robotics Project Guidebook
    • Arduino Create Web Editor
    • Arduino Language Reference
    • RedBot Experiment Guide
  • ELEGOO Experiments
    • Getting the Arduino IDE
    • Starting with the `techCar` Template
    • Template Code for techCar.ino
    • Template Experiments
    • Reinstall the Original Remote App Functionality, If Needed
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  • Select Correct Board
  • Verify App Code
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  1. REFERENCES
  2. Arduino Code Editor

Verify App Code

The Arduino code editor does NOT check your code syntax as you type, so be sure to periodically verify your code to check for errors. You can verify your code even if you're not done creating your entire app.

Select Correct Board

In order to verify the code, the code editor first needs to know which type of Arduino board is being used. The RedBot circuit board is equivalent to an Arduino Uno circuit board.

Once you've selected the correct type of Arduino board, the code editor should remember this selection for the future.

Arduino Create (Web Editor)

  1. Click "Select Other Board & Port" in the drop down menu at the top of the code editor panel.

  2. In the pop-up, select "Arduino/Genuino Uno" and then click the OK button.

Arduino IDE (Desktop Editor)

Under the Tools menu, go to the Board sub-menu, and select "Arduino/Genuino Uno" in the Board.

Verify App Code

Verify your app code by clicking the Verify icon (looks like a checkmark) at the top of the code editor panel. (The Arduino code editor will first save your code before verifying it.)

After the verification is done, a message will appear in a status bar at the bottom of the code editor panel:

  • If your code compiled without any errors, the status bar will display a success message. (In the web editor, the message will say "Success." In the desktop editor, the message will say "Done compiling.")

  • If your code contains an error, the status bar will display an error message with a description of the error, and the code editor will highlight the specific line number in your code where the error was detected (though the root cause of the error usually occurs on a previous line). You'll want to fix the error and then try verifying your code again.

MULTIPLE ERRORS: Sometimes your app code might contain multiple errors. However, the Arduino code editor will stop verifying the code at the first error that is detected. Once you fix that error and verify the code again, you might see a new error message for another error that occurs later in the code.

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Last updated 6 years ago