How not to wait for distance or button. Teacher notes Pro Preview

Do not create empty loops with pass keyword.

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  • #846
  • 20 Apr 2018

Often in your programs you will wait for sensor to continue your program.

Do NOT do this:

# wait obstacle
move.forward()
while sensor.distance > 0.50:
    pass
#eof wait < 50cm
move.stop()

 

Rather give the CPU time to multi-task.

# wait obstacle
move.forward()
while sensor.distance > 0.50:
    sleep(0.1)              # required for smooth work, let the CPU multi-task
#eof wait < 50cm
move.stop()

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