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Make an Electronics Siren Circuit using 2 Transistors - KT952

Make an Electronics Siren Circuit using 2 Transistors - KT952

SKU:KT952

1000 in stock

Regular price Rs. 500.00
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HARDWARE REQUIRED

SPECIFICATIONS

Power supply – 9V( from 9v battery)

PIN DESCRIPTION

LED

CAPACITOR

TRANSISTOR

For the Pin Reference

CIRCUIT DESCRIPTION

1. Diode positive leg is connected to the positive supply and negative leg connected to the 47ohm resistor and resistor 2nd leg is connected to the positive supply.

2. Push button's connected to the breadboard and push button(1) 1st leg connected to the positive supply and 2nd leg to connected 47K resistor and resistor 2nd leg to connected push button(2) 2nd leg.

3. push button(2) 1st leg is GND.

4. 100uF capacitor positive leg is connected to the push button (2) 2nd leg and capacitor negative leg is GND.

5. transistor's connected to the breadboard.

6. Transistor BC 547 is 1st leg is GND, BC547 2nd leg to connected 33K resistor and resistor 2nd leg connected to the 100uF capacitor positive leg.

7. Transistor BC 547 2nd leg to the connected 0.1uF capacitor (ceramic) and capacitor 2nd leg is connected to the transistor BC 557 1st leg.

8. BC 557 transistor 2nd leg to connected 68-ohm resistor and resistor 2nd leg connected to the BC 547 transistor 3rd leg.

9. BC 557 transistor 3rd leg is connected to the positive supply.

10. BC 557 transistor 1st leg to connected LED positive leg and led negative leg to connected piezo buzzer positive leg and buzzer negative leg is GND.

11. Breadboard connection positive to positive and negative to negative.

WORKING

Electronics siren circuit using 2 transistors when we press the 1st push button then start the buzzer & Led and press 2nd push button buzzer is off.