How To Make Police Siren Alarm At Home || Working Model Of Police Alarm || Using BC547 Transistor

[@eeghtitelukintan2948]

impressive- from syoknya diy channel

[@dimitas7052]

Hola se puede alimentar con dos pilas de 1,5Volts. Gracias y un saludo

[@patriciocoello6002]

No funcionaría, el buzer trabajo mínimo con 5

[@musafirinzeyimana7269]

How are you?Can you please send me the circuit diagram of that Police Siren Alarm.Thank you.

[@blessingtagbe7858]

Emaintenant elle s'éteint comment

[@i-sg5lm]

ΠΟΣΑ VOLT ΤΡΟΦΟΔΟΣΙΑ ΘΕΛΕΙ...

[@astronic4522]

Nice project brothers, already like,subcribe and push bell, from AS TRONIC 2:36

[@interestingthings9824]

Thank you so much dear

[@RomaRingo]

i try BC546, not working!

[@sazadur_rahman]

What's the Buzzer model? Is it active or passive? What's the operating voltage? plz mention.

[@truitesauvage4138]

Voltage: 3,7v buzzer: its a simple buzzer lol