Product Introduction:_x000D_
1.Operating Voltage:2.4-3.6V;3V (typical)_x000D_
2.Operating Current:150uA (max);50uA (typical)_x000D_
3.Quiescent Current:5uA (max);0.1uA (typical)_x000D_
4.Output Current:3.0mA_x000D_
5.Frequency:80-120KHz;100KHz (typical)_x000D_
6.Operating Temperature:0~60 celsius_x000D_
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Transistor yang dipakai adalah type S8550(PNP) bukan S8050 berikut link nya : _x000D_
https://www.tokopedia.com/Arduino Official/transistor-s8550-pnp-0-7a-20v-multifunction-power-transistor_x000D_
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Link mini speaker 8Ohm :_x000D_
3.5cm :
https://www.tokopedia.com/Arduino Official/speaker-buzzer-8-ohm-0-5w-horn-diameter-3-5cm-35mm-loudspeaker_x000D_
4cm :
https://www.tokopedia.com/Arduino Official/new-8-ohm-05w-horn-speaker-diameter-4cm-loudspeaker-bel-musik-mp3_x000D_
model buzzer :
https://www.tokopedia.com/Arduino Official/passive-buzzer-speaker-buzer-pasive-5v-for-arduino