8.Birthday Candle
##Case Description The built-in microphone of the Micro:bit can be utilized to simulate the effect of blowing out a candle.
###Key Knowledge Points
- How to use the Micro:bit microphone
- How to use the Sugar LED module
##Case Implementation
###Structural Assembly Birthday Candle.pdf
###Circuit Connection
Connect the red LED module to the Robotbit P0 terminal block.
Connect the green LED module to the Robotbit P1 terminal block.
Connect the yellow LED module to the Robotbit P2 terminal block.
###Programming
1、When the blowing force is strong (>800), all three LED modules turn off.
2、When the blowing force is moderate, the LED modules blink.
3、When there is no blowing force, the state remains unchanged.