New version of PIC based laser spirograph.
Along with auto and manual modes of operation modified controller can store your
favorite patterns in internal memory with press of a button and replay them as a slide show.
Up to 80 patterns can be stored and replayed as endless sequence.
Time of...
I mostly "consume" popular soundtracks from movies, Miyazaki Anime and live piano.
I'm learning to compose music and perform myself.
It's real fun and helps to relax after stressful day.
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Hallucynogenyc is right.
It's home-made.
I've got acrylic mirror sheet from local plastic supplier, then cut it into pieces. Rest of process is shown in video.
Simple heat toner transfer technique to make PCB using laser printer, and household iron.
That's what I do for quick home prototyping and to make aluminum face plates for my units.
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All chemical are from local electronic hobby shop.
Printer HP Laser Jet 1012.
Glossy laser...
Not balancing!
You cannot use regular Nicholson file to shape glass.
For this purpose should be some kind of diamond tools and lubricants, work place must be totally enclosed in case of glass destruction, tools are to be operated remotely.
I'm afraid that glass balancing is not for home try...
Here's my method of making fan-mounted mirrors for laser spirograph:
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I've developped this method while I was working on my spirograph unit
http://laserpointerforums.com/f42/diy-pic-based-laser-spirograph-26580.html
Hope, this info will be useful for DIY laser makers...
If you don't want go digital you don't have to.
Sure if you hook up motor to any kind of voltage regulator or 555 based PWM controller you'll achieve similar effect.
BTW. I supply DIY electronic kit including PCB and preprogrammed microcontroller upon request.
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Device, equipped with 5mW green laser module, is consuming ~600mA.
Normally it's powered by wall wart supply unit 9-12VDC
I use battery only for field demonstrations.;-)
Schematic, BOM, PCB, HEX
see post #3...