There is 2 type of the buzzer..
Mono-tone Buzzer: Sound 1 tune only.
Musical Buzzer: Sound different tune.
3V to turn it on.
蜂鳴器 Buzzer
HK$7.00價格
Type
There is 2 type of the buzzer..
Mono-tone Buzzer: Sound 1 tune only.
Musical Buzzer: Sound different tune.
3V to turn it on.