by wizard23, published

Batlamp by wizard23 Nov 30, 2009



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Features include:

  • Arduino controlled so it can blink in different speeds, colorfade, etc. AND you can reprogram it to make whatever you want.
  • Three pots to set the red, green and blue LEDs.
  • reprap printed knobs for the pots
  • Osram RGB LED (almost perfect point light source) with 30mA per color.
  • exchangable stencil
  • one rotating axis to project onto a wall or the ceiling.

more pictures: http://www.flickr.com/photos/wizard23/


cut the carlo-projector44_final export.dxf file for cutting. carlo-projector44_final.dxf contains all the help lines and dimensions in case you want to modify the design.

Most parts are cut from 1.5mm very stable cardboard. For the rotation mechanism the outer part is cut out of 2mm delrin and holds the inner part which is cut from cardboard. The inner part can rotate but only in discrete steps. it also gives a snapping sound :)

Most of the parts are fitted together with a cardboard snapping mechanism. some parts need to be screwed together with M3 nuts and bolts and youll need 2 about 12cm long M6 rods and some nuts for the base.

I also uploaded the Arduino source code.

What I havent uploaded is the scematics for the electronics, but that was built on a stripboard so I don't have a digital design I could upload. But basically I connect the RGB led to some PWMs and 3 pots to analog ports. The code tells what pin to use.

I made a small mistake in the xxx_42 files, use the xxx_43 files

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Hi, I like your projector, it's awesome ! But I'm a noob with electronics. I ask obviously, but have you a shematics for the electronics ?

i cant find the arduino code please help!

its the file: carlosprojektor.pde

If you still can't find it use search function of the browser...usualy Ctrl+F and enter the name carlosprojektor.pde

I thought it was clear because .pde is the usual file extension for arduino code...

I know this thing is not very well documented, but I had to finish it very quickly as a birthday present and didnt pick up after the bday...I just looked at the file again to check if the link works and am now a little bit embarressed...the code still has the comments of the arduino blink example
in it...if something is worse than undocumented code its incorrectly commented code...glad the guys from work dont see this :)

yeah i can find it ether :'(


Why isn't there a list of material and step by step instructions? Or am I looking in the wronglace?

the thing with the little arrow like things has to be cut out of some flexible plasic (twice) all the other parts need to be cut from cardboard

Question what material did you make the stencil out of? I want to make a batsignal stencil to go over my son's lamp (which already looks like a mini floodlight with an exposed lightbulb) but I have no idea what to put over the light opening that is heat resistant. Any ideas???

Be carefull here...this design uses a LED which does not even get warm...so I used cardboard for the stencil. If your sons lamp has a lightbulb (which get very hot) you should use something burn resistant...maybe some of the stuff they use in theatres or at concerts for the lights...

I think that you mean the lights that are used in movie theaters. The kind that are used in Theatre's are much different. The lights used in theatrical productions run hot enough to turn metal cherry red (Not to mention the huge amount of power it takes to run them). I have seen it and been burned a few times by those kind of lights. The same kind of lights used in theatre are also used in concerts. Even the miniature versions kick up enough heat to catch paper on fire.

Thanks so much for the reply - I will use an LED in his lamp so that I can use cardboard for the cutout. Your light looks amazing I just hope that mine will too!

Bruce Wayne must be really proud of his son! Very cool! Do you have a part ID for the RGB led? I have RGB leds with a big offset between each color, so you would effectively have three slightly overlapping blobs of color. It can be a nice effect, but is often not desirable (e.g. for this application!)

its a LRTB G6TG
hope this links works for you: http://catalog.osram-os.com/catalogue/catalogue.do?favOid=0000000000031bac00060023http://catalog.osram-os.com/ca...

but any rgb led will do. I have some colored edges too but it looks ok.