Electronics door bell circuit diagram

Sharing electronic door bell circuit diagram.You can make a mini project with this door bell .
This electronic door bell is very simple to make.  you can make this electronics musical door bell on home.


Electronic door bell circuit diagram

Electronics door bell circuit diagram

                            Electronic door bell circuit diagram


Needs to make electronic door bell circuit

  • 3volt battery.
  • Resistance 1  was 1k .
  • Switch  push to on.
  • S1 is on-off switch.
  • Ic1  8021-2 
  • T1 BC548 OR C8050
  •  T2 BC557 OR C8550
  • LS1 4 OHMS/8 OHMS LOUDSPEAKER.
  • Capacitor 10 micro farad 12 volt.
Connect like this diagram and make your project on home.
This is really good musical electronic door bell .


Caution 
Connect the battery with attention . Wrong connection can fired your circuit .  All points connect goodly with soldering iron and soldering lead.



 

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