advertisement
Touch Activated Alarm Circuit by IC Timer 555Reviewed by ElectroSuite.com on May 31Rating:
>ElectroSuite.com>> – Touch Activated Alarm Circuit by IC Timer 555. This is a touch activated alarm system. Your alarm system will be activated when someone touching the “trigger”. You may use this circuit at your home door, your vehicle etc.
Parts list:
advertisement
advertisement
- R1 = 100K
- R2 = 56K
- R3 = 10M
- R4 = 220K
- P1 = 100K
- D1 = 1N4004
- T1 = 2N3904, or equivalent
- U1 = 555 Timer*
- C1 = 47μF/16V**
- C2 = 33μF/16V**
- Re1 = R
About the author
wrote 319 articles on this blog.
ElectroSuite.com - All about Electronic Circuits, Schematics, Diagrams, Projects, Hobbies, IT, ICT, Network, Computer
Incoming Keywords
Tags: 2n3904, 555 timer IC555 timer IC, Activated, alarm system, Alarm Systems, alignnone, alt, Business, Business Services, c2, circuit, class, Diagram, Door, equivalent, Fire, Fire and Security, height, Home, href, img, Installation and Service, Law_Crime, Light-emitting diode, OscillatorsOscillators, pence, r2, r4 220k, re1, someone, span, src, style, target, timer, timer 555, title, Touch, Touch Activated Alarm, Touch Activated Alarm Circuit, Touch Activated Alarm Circuit by IC Timer 555, touch alarm, touch alarm circuit, touch alarm diagram, touch alarm schematic, Touch Alarm system, trigger, vehicle
This entry was posted
on Tuesday, May 31st, 2011 at 10:28 and is filed under Alarm, Timer.
You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.
