Case 2- Random color lights flash

Part 1 Objective

The user writes the program and uploads it to mBot so that mBot can turn on the light randomly.



Part 2 Preparation

  • mBot x1
  • USB cable x1
  • Computer with network access
  1. Use the original USB cable to connect the mBot to the computer.


  1. Open MBlock5 (PC, Web, APP), click "Add" in the lower left device area, select mBot in the device library, and click “Connect”.(Live mode: you can click the building block to observe the real-time running effect, but you need to keep the data cable connected to the computer; Upload mode: You can upload the program to mBot, at which time you can unplug the data cable to run the program. ), this course needs to switch to "Upload mode".



Part 3 Programming

After the user uploads the program to mBot, the on-board LED lights up randomly to create a colorful effect.



Part 4 Procedure source code

Course 2_Random light colours.mblock


Part 5 Practice

  1. Modify the start and end values in random numbers
  1. Modify the time value in the Waiting Block


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