Digital Foundation_Assignment 9


For this week's assignment, Min Huang and I worked in pair to create an alarm system using the Micro:bit. Due to the limited materials, we planned to use the sound sensor to receive the input data, and when the sound reached some degree, the servo will start to work as the out put action.


We tried to use the similar code we learned in class to control the whole system. Considering that it is difficult to set accurate degree of the sound, we used an adjuster instead of the sound sensor. When we ran the project for the first time, the "heart" icon showed up, yet the servo failed to work.





We spent lots of time debuging and finally found that the "on start" section was not necessary for this system. Additionally, we added more icons to help us make judgment of different conditions. Finally, the alarm system ran perfectly as we expected.





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