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Old 05-26-2012, 04:57 PM #225
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Default Re: Laser Harp kits - Batch 2 - Finished

Looking great Dan / Dnar.
How far from ready is this new code and what changes are needed to the harp PCB that I have in my harp.
I'm not to bothered about the multi colours part so I won't need any more blanking outputs from the PCB.


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Old 05-27-2012, 11:59 AM #226
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Default Re: Laser Harp kits - Batch 2 - Finished

Extra blanking outputs will not require any hardware changes, just basically connecting the lasers modulation to the right pins.

Apart from that, the hardware changes involve changing 3 resistors and adding 2.

Code still has a little way to go yet, keep watching

Dan
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Old 06-04-2012, 08:09 PM #227
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Default Re: Laser Harp kits - Batch 2 - Finished

Hey, I finally got the time to build the laser harp kit I bought some time ago.

Everything works, but I've noticed I have a really small range where my hand is detected. If I put my hand 1/4 meter or more away from the light sensors then they are no longer detected. This even with sensitivity turned all the way up. I'm not sure if I did anything wrong. At such distances, the debugging LED basically stays at the same brightness constantly (any change in brightness by me interrupting a laser is almost unnoticeable). This makes me think it might be reflections from my (white) ceiling. Does this happen to anyone else? I'll have to try the laser harp somewhere where there is a darker ceiling (or no ceiling at all).
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Old 06-04-2012, 09:15 PM #228
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Default Re: Laser Harp kits - Batch 2 - Finished

How much are these kits and what is required for me to build it?
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Old 06-05-2012, 02:54 AM #229
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Default Re: Laser Harp kits - Batch 2 - Finished

Yes, you need to shield the sensors from the roof. The idea is you want to make the sensors directional, so that they can only see a small area where you put your hands into the beam. I just put mine in a deep project box:




Abolfazl, sorry, they are all gone for now

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Old 06-05-2012, 07:51 AM #230
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Default Re: Laser Harp kits - Batch 2 - Finished

;_;

But around how much did the kits sell for?
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Old 06-10-2012, 10:09 PM #231
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Default Re: Laser Harp kits - Batch 2 - Finished

Quote:
Originally Posted by Abolfazl View Post
;_;

But around how much did the kits sell for?
they went for 140 + shipping.

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Old 07-07-2012, 08:44 PM #232
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Default Re: Laser Harp kits - Batch 2 - Finished

How much are you charging.? Because im really needing one...
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