Sunday, November 9, 2014

FIRE ALARM:-
                   
                     By veiwing this circuit diagram and video u can make a fire alarm.

CIRCUIT DIAGRAM:-                                                                                                                                                  

PARTS LIST:-

  • resistors-330 k,100 k
  • transistor-pnp 369,npn 548
  • capacitor-0.04uf
  • buzzer
  • fire switch
  • battery
                            watching this video can help u better


all the best..........////////////

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