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Old 03-14-2012, 04:15 AM #177
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Default Re: Homemade Scanning Laser Color Projector/TV

Interesting guys - I lol'ed at the PL drawing. Its missing one or two important thing though, doesnt appear to have a demodulator or a reference oscillator signal. I suggest the cartoonist add a hairspring for the reference oscillator (it will be plenty quick enough for that design) and a commercial pizza oven for the demodulator. It can work double duty and cook your dinner too. Feed signals in at one end, and they come out nice and crispy ready for the driver at the other :P

All jokes aside I'll be following this one closely (hence I posted so I could follow). Be interesting to see what you guys come up with


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Old 03-18-2012, 08:21 AM #178
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Default Re: Homemade Scanning Laser Color Projector/TV

Quote:
Originally Posted by laserboy99 View Post
Any comments on how to determine which mosfet to use? Thanks!! Keep up the great work!

Also, where did you get your ferrite core, and why didn't you point it at the fast mirror; instead, its off to the side.
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I don't prefer mosfets.
You may get the ferrite core from CRT television circuits.
Coil is put off to the side, because vibration mode is torsional.
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Old 06-30-2013, 02:59 PM #179
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Default Re: Homemade Scanning Laser Color Projector/TV

Thanks for replying! i'll be posting some, soon, i hope.
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Old 07-02-2013, 07:08 PM #180
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Default Re: Homemade Scanning Laser Color Projector/TV

You know, it really wasn't necessary to post some useless thank-you post for someoen replying to some post you made over a year ago. :|
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Old 11-18-2013, 08:33 PM #181
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Default Re: Homemade Scanning Laser Color Projector/TV

I hope that this project still has some life!

I'm new here, and I don't have great knowledge, but I like to learn more, but let's get down to business!

I have a small power supply taken from an old dvd player, has some outputs that can be useful for this project, 5v and 12 v.

http: imageshack.usf17ffjp.jpg

http: imageshack.usf23hsuf.jpg

I have lots of doubts about the vertical mirror driver, is resounding like horizontal?
How can i make it? stainless steel 0.5 mm is not a problem i have a few pieces enought for making the mirror!

I took the ferrite core from one old tv flyback, and I'm the wind the wire according to the scheme of fast mirror!

I beg help to guide me what to do step by step, I don't have experience and the mistakes in English, this is not my native language, so i write based on translator!

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