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the window will be on.
The password can be set by the button A and B on the micro:bit board.
Pressing A and B respectively means'.'and'-'.
Pressing A and B simultaneously indicates"confirm"
The 5*5 LED lights will show
picture and the I2C1602LCD will display
"Successful"and"Open the door ", the 6812 2x2 RGB will show purple
color. However, if the password is wrong, "error" will pop up on the LCD
module and show "Enter password"
Touch the logo area of the micro:bit, the 1602LCD will show " Close the
door"and"Enter password". Next, the door will be closed and the 6812
module will be off.
When the temperature sensor on the micro:bit detects the temperature
higher than or equal to 30℃ , the small fan will rotate
353
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