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DIY Science Projects

Anti-monster flash light & buzzer

Building this very special Anti-monster flash light & buzzer is a nice way to experiment an electrical circuit a bit more complex than the usual battery/bulb/switch one.

 

Avertissement Beware that once completed, this is a very noisy device...

 

This project uses a very energy efficient LED (light emitting diode) that has also a very long lifetime. Household light bulbs using this technology are now on the market and might replace one day fluorescent light bulbs.


Difficulty
Easy
Duration
2h
Rating
3/5
Price
~ 8 CHF
Testimonials
0

Material
Tools
Blueprints&Plans
Building
Saw the wood slat to create the following 4 pieces: Two 14 cm long pieces One 8.5 cm long piece One 6.5 cm long and 3dm wide ... Collect all the elements for the electrical part : -buzzer -strip of 4 connectors -resistance -LED -ttwo 20cm long ... Connect the different components according to the photo and the diagram that you can download in the ...A close-up view of the previous step. Fold the paper clip and cut part of it to be able to insert it into the hole with the first screw.   I should touch the screw ...Nail the three pieces of wood to the small board to form a box. Using a hot glue gun, fix the buzzer and the strip of connectors.   Twist the ends of the two free wires around brass tacks ...Close-up view to better understand the previous step... Slide the battery in place and add a small piece of wood to squeeze the battery in place.     If you want, you can add a cardboard lid and decorate it as you wish.   Cut an opening so the led and the switch are not ...
How to use
Links&References
Date01.05.2013
AuthorEmmanuelle
Organizationinfo-energie
TranslatorMartin
Final purposeProduce light or heat
FieldElectrical/Electronical circuit, Robotics
Languagefrançais deutsch english
Licence