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Description of the material - Magnetic alarm

  • 1x
    buzzer

  • 1x
    NPN BC548 transistor

  • 1x
    reed switch

  • 1x
    10K Ohm resistor

  • 1x
    3.9 K Ohm resistor

  • 1x
    neodymium magnet (43N)

  • 1x
    4,5V battery

  • 1x
    strip of 7 electric connectors

  • 1x
    plastic box

  • 1x
    small electrical wire

  • 2x
    short electrical wires (one red and one black)

4 Suppliers | Submit an other supplier

buzzer

Original material, used by Martin

http://www.opitec.ch
Nb./Ref.215.011
Price2.70 CHF
Opitec

NPN BC548 transistor

Original material, used by Martin

http://www.opitec.ch
Nb./Ref.233.060
Price2.50 CHF (pack of 10)
Opitec

reed switch

Original material, used by Martin

http://www.opitec.ch
Nb./Ref.212.120
Price1 CHF
Opitec

plastic box

Original material, used by Martin

http://www.conrad.ch
Nb./Ref.520985 - 62
Price3 CHF
Conrad Electronic