How to Make Police Siren Circuit Using TIP42C & 2N2222 | Powerful Loud Siren Project | Tinytronics
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YouTubeTinytronics
How to Make Police Siren Circuit Using TIP42C & 2N2222 | Powerful Loud Siren Project | Tinytronics
Is video me hum banayenge Police Siren Circuit using TIP42C and 2N2222 transistors. Ye circuit ek push button se activate hota hai aur speaker me powerful police siren sound produce karta hai. Circuit me 1K resistor, 47K resistor, 22K resistor, capacitor 223/22nF, aur push button use kiya gaya hai. Ye project school college science projects ...
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