Hi Everyone. Let me start by saying I know absolutley nothing about electronics, circuits or curcuit boards but can do what I'm told.
I need help in making a visual panel that has two blinking led's that will run off a 12v transformer. This will be put into a dummy alarm bell box. I did buy a bell box and tried to get the led's flashing but they seemed to flash in a "triggered sequence" and then only with the battery which soon ran down.
The idea is to create a visual ditterant by having a bell box with the led's flashing although I dont have a control panel fitted.I thought I could just wire up the box to a 12v supply and it would work.(Silly me). If some one knows how to adapt the box or can draw me an idiots guide to making a circuit board to fit in the box, I would be grateful. I would also need a list of what to buy and how to build it.Also an explanation of what bit does what so I can get a better understanding of what Im doing. Thats not too much to ask is it !!!
Thanks in advance.
Mick

Thanks for your speedy reply. The circuits might be easy for you but for me they are lines on a page.I do appreciate your help though. Any suggestions for a site that explains simple circuits and what all the bits do?
Cheers Mick

Thank you very much .All this help from all around the world just so I can get two little LED,s flashing.I went on the maplin site and ordered the goods.Fingers crossed! As you all wont be able to sleep until you know how I got on, I will let you know in due course. Thanks again, Mick

try this simple multivibrator