Wiimote Project » Hardware Support » IR Pens » improved pressure-tip pen
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: improved pressure-tip pen  ( 8928 )
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« : February 08, 2009, 09:41:13 PM »

Hello everyone,

I've improved upon the tide-to-go pressure pen.
I'm assuming that you've already read about it, so if you haven't you should have a quick glance at the post:
http://www.wiimoteproject.com/ir-pens/idea-for-a-pressure-sensitive-ir-pen/
The old pen was a bit fiddly with the assembly - the wires would interfere with the spring mechanism.
Now the wire IS the spring mechanism.  The pen also now uses the entire tide-to-go pen and an AAA battery.
I've included some photos of the pen and a short video of the spring mechanism and the working pen.
I'll try to post a video of the pen in actual action soon, so you can get a sense of how well it writes.
I hope the video shows how sensitive the pen is - others pens that I've seen look like you have to push down really hard.
[youtube]http://www.youtube.com/watch?v=e_ktSYMaUxY[/youtube]
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« #1 : March 27, 2009, 06:54:40 AM »

Hi,

Thank you for all of your wonderful posts. I have recently been trying to build my own pen with a pressure tip LED and a switch on top of the pen that would work as a momentary on/off switch. I see that you have made a great pen out of a tide-to-go, but have you been able to get both the pressure tip LED and a momentary on/off switch on top of the pen. If so, would you be able to show me the blue print to your design.

Thanks a million

-Jake
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« #2 : February 21, 2012, 02:26:52 AM »

Hey nice work, I'm planning to make one of these for myself tomorrow, although unfortunately in my excitement I busted up the tide to go I had so I'll have to pick another one up (this was before I saw these tutorials)

Just wondering what gauge wire you used for the spring?
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