DIY Wailing Siren Circuit | 555 Timer IC | School Projects | BC547 | BC557 Transistor

#BC547 #electronicprojects
Parts Needed :
555 timer IC
8 Ohm Speaker
Transistors: 1 BC547, 1 BC557
Momentary Push Button Switch
Capacitors: 10nF, 100uF
Resistors: 33R, 22K, 33K, 100K, 2 * 220K
Breadboard
Few Breadboard Connectors
(5-9)V of Power Supply.
A tutorial on how to make a wailing siren circuit using 555 timer IC on a breadboard. This circuit can be triggered by pressing a push button switch and it produces a tone with increasing intensity for as long as push button is pressed. After the push button is released, the intensity of siren sound gradually reduces to zero.
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#Prabhas Creative Experiments

[@mr.techinventor3463]

nice idea

[@Creative_Experiment]

Thank you bro ❤️

[@experiment_boy_priyam]

Nice experiment !!
keep it up 👍

[@Creative_Experiment]

Thank you bro

[@janmasoomi6959]

Can you share circuit diagram??

[@Creative_Experiment]

Yes , send your insta id

[@LamarcheX]

​@@Creative_Experiment eliana_tlr