Thursday 26 July 2012

Project for second group-Touch alarm circuit


Touch alarm circuit:


Another simple touch alarm that uses 555 timer IC

Part List:
R1 - 5.6 Mega ohms 1/4W
R2 - 47 kilo ohms 1/4W
R3 - 1 kilo ohms 1/4W
C1 - 22uF electrolytic capacitor rated 16V
LED - red or any LED (see led info to know more)
BUZZER - any 5v to 12v buzzer
555 IC - LM555 or any timer IC

Other versions:
Simple Touch alarm
Touch switch using Transistor
Touch Alarm ver 1.1.0
Touch switch (ON and OFF separated)

Read more at http://www.simple-electronics.com/2012/02/touch-alarm-circuit-ver-30.html#p7SE30ZOkJhbCjcu.99
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2 comments:

  1. ramu27 July 2012 at 07:48

    can u post the no's of students included in 2nd batch

    ReplyDelete
  2. PRABALYA27 July 2012 at 10:31

    12, 1, 25, 5, 10, 13, 24, 9, 36, 39, 41, L-7 these are the students included in batch -2

    ReplyDelete

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