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Arduino Perpetual Pendulum
How to hang your pendulum.
I hope you'll find the following worth the proverbial kiloword?....
The brown wood pendulum is hanging from a short length of coat hanger wire (wonderful material!), which has been bent upwards slightly, to help keep the pendulum centered between the two "arms" it hangs from. A little hot melt glue joins the coat hanger to the pendulum.
The brackets in the photo were just some bits of metal I happened to have. If you don't have anything suitable, any hardware store can sell you some angle brackets which will do admirably.
It is helpful if the surface the brackets are attached to is solid. In an early prototype, my pendulum was hanging from a less-than-rigid pole, and its wobbling was unhelpful.
Let me belabor one point that the photo fails to make clear, perhaps. The pendulum swings back and forth in the plane of its broad dimension. The bent wire the pendulum hangs from is at right angles to the plane of oscillation.
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In addition to the tutorials for which this page serves as Table of Contents, I have other sites with material you might find useful.....
Sequenced set of tutorials on Arduino programming and electronics interfacing.
Tutorials about the free database supplied with Open Office version 2.
(If you experienced Adabas with Star Office, ooBase is nothing like it!)
Some pages for programmers.
Using the parallel port of a Windows computer.
If you visit 1&1's site from here, it helps me. They host my website, and I wouldn't put this link up for them if I wasn't happy with their service.
Ad from page's editor: Yes.. I do enjoy
compiling these things for you... hope they are helpful. However..
this doesn't pay my bills!!! If you find this stuff useful, (and you
run an MS-DOS or Windows PC) please visit my freeware and shareware
page, download something, and circulate it for me? Links on your page
to this page would also be appreciated!
Click here
to visit editor's Sheepdog Software (tm) freeware, shareware pages.
And if you liked that, or want different things, here are some more pages from the editor of these tutorials....
Click here
to visit the homepage of my biggest site.
Click here
to visit the homepage of Sheepdogsoftware.co.uk. Apologies if the "?FrmAht" I added to that link causes your browser problems. Please let me know, if so?
Click here
to visit editor's pages about using computers in Sensing and Control, e.g. weather logging.
To email this page's editor, Tom Boyd....
Editor's email address. Suggestions welcomed!
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