Author Topic: Two home-made IR-pens: traditional push-button and push-tip  (Read 3721 times)

Offline sts70nl

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Using the instructions available I made my push-button IR-pen.  As a push-button a small keyboard button was used.  Very nice, however there was a need to constantly remember when to push and most importantly when not to push the button.  It works great, but not a real white board experience.

Like some others the idea came up to build an IR-pen that when pushed against the white board for writing will turn on the IR and will turn the IR off when the pressure is released. 

[youtube]http://www.youtube.com/watch?v=rudB97lyaYs[/youtube]

Hopefully soon I will have the time to build and record the building of the push-tip IR-pen.

Stefan



Offline jmatson

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Reply #1 on: June 29, 2008, 10:11:22 PM
I like the push tip pen.  I have made a couple but none work flawlessly.  I can't seem to get the spring part just right and I end up having to push really hard, which turns out to be even less natural than the push-button type pen.  Also, do you just use a spring and then have one of the positive leads touch the positive terminal of the battery when pressed?  I would love to see how you put yours together when you have time to make another one.



Offline sts70nl

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Reply #2 on: June 30, 2008, 02:03:40 PM
I like the push tip pen.  I have made a couple but none work flawlessly.  I can't seem to get the spring part just right and I end up having to push really hard, which turns out to be even less natural than the push-button type pen.  Also, do you just use a spring and then have one of the positive leads touch the positive terminal of the battery when pressed?  I would love to see how you put yours together when you have time to make another one.

The how to do it can be found at: http://www.wiimoteproject.com/ir-pens/tippush-irpen-t1122.0.html

Stefan