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Sunday, 21 February 2016

touch alarm circuit

a very simple touch alarm circuit for mini projects

very simple touch alarm circuit

Required parts

1.speaker
2.bc547
3.resistors
       1.10k
       2.100k
4.diode
5.mobile charger

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2 comments:

  1. Anonymous21 February 2016 at 21:34

    what is red and green wires

    ReplyDelete
    Replies
    1. Anonymous21 February 2016 at 21:35

      red is positive and green is negative

      Delete

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