KEY TAKE AWAY POINTS:
"sound level" is Analog Input, converted by Micro:bit as a integer number ranged 0-255
"on loud/quiet sound" are Event-Triggered Housing-blocks, it happens at random time, and possible have multiple triggers in burst
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Is Analog Input
Converted by Micro:bit onboard ADC (Analog-Digital-Converter) as integer number ranged 0-255
Are Housing-Blocks
Are Events Triggered at Random Time, and possible have multiple triggers in burst
Triggered events will be buffered and queued to be handled
Default thresholds:
on loud: 169
on quiet: 86