Police Siren - Solder (without PCB And Battery)

Police Siren - Solder (without PCB And Battery)
  • Brand:

    SUNLIGHT
  • Product Code:

    SG-DD1227B
  • Availability:

    200
  • Price:

    S$ 5.70

Qty


Introduction

 

This is an ingenious little device that is an ideal introduction to electronics. It is fun to build and more fun to play with!

Now you can built your own Police Siren .

This kit include all the components as below :

Resistors

 

R1     68 kΩ (1/4 watt)

R2     68 kΩ       “

R3     10 kΩ       “

R4     10 kΩ       “

R5     10 kΩ         “

 

Capacitor

 

C1     10uF 16V Electrolytic

C2      0.1uF ceramic

C3     0.1uF Ceramic

C4     100uF 16V electrolytic

 

Semiconductors

 

U1,U2     Integrated Circuit NE555 (Timer)

 

Miscellaneous

 

Loudspeaker 8 Ω EMB-3008A type (30mm*12.7mm pin distance: 15mm )

Battery snap for 9V battery 

And lastly is the

Circuit Diagram

 

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