Ding Dong Bell - Solder (without PCB And Battery)

Ding Dong Bell - Solder (without PCB And Battery)
  • Brand:

    SUNLIGHT
  • Product Code:

    SG-DD1228B
  • Availability:

    200
  • Price:

    S$ 3.00

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 Door Bell to welcome your guest.

This kit include all the components as below :

Resistors

 

R1     68 kΩ (1/4 watt)

R2     68 kΩ       “

R3     68 kΩ       “

R4     10 kΩ       “

R5     15 Ω         “

 

Capacitor

 

C1     0.01uF ceramic

C2     10uF 16V electrolytic

C3     47uF 16V electrolytic

 

Semiconductors

 

D1     Diode 1N4148

D2     Diode 1N4148

U1     Integrated Circuit NE555 (Timer)

 

Miscellaneous

 

Loudspeaker 8 Ω

 

Battery snap for 9V battery 

 

Push button switch (normally ‘off’, momentary contact press ‘on’)

 

8 pin IC socket  (for soldering board)

 

And lastly is the

Circuit Diagram

 

Brands

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