LAOS - Laser Open Source

2014-09-29

13:57 LAOS Laser Discussion and support: height adjustment

Hi folks,
we're having trouble focusing our K40. We can't do it by software since the K40 we got has a 220V AC mot... reinoud

13:05 LAOS Laser Discussion and support: How to laser brown dots on perspex

Hi folks,
odd title eh? Well i ask this since i am trying to laser photos on perspex. I've seen some commercially ... reinoud

2014-03-25

18:03 LAOS Laser Hardware development: RE: Upcoming rev 5 mainboard

Please leave the flatcable intact! Our machine, a Chinese K-III has a flatcable that just fits :) It would otherwise ... reinoud

17:58 LAOS Laser Hardware development: focus and pixel size issues

Dear folks,
after rigorous testing we are still having trouble getting a good focus. We have a Chinese made K-III ... reinoud

2013-12-14

11:01 LAOS Laser Hardware development: RE: DA converter versus PWM for laser power

As the PWM freq if 5kHz and the pullup resistor is 1kOhm, i've put a 0.1 uF on the output line to the ground. This ha... reinoud

2013-12-12

14:53 LAOS Laser Hardware development: DA converter versus PWM for laser power

Hi folks,
wouldn't it be a better idea to provide the Laos board with its own low-pass filter to convert the laser... reinoud

2013-12-11

22:48 LAOS Laser Software development: RE: LAOS firmware rastering/bitmap etching implementation problems and more

Hi folks,
isn't there a onboard DA converter on the NXP ARM chip? That would make the PWM hack unneeded and probab... reinoud

22:05 LAOS Laser Software development: RE: LAOS firmware rastering/bitmap etching implementation problems and more

Hi folks,
I've tried out the alternative pulse code generation. I set up the interrupt to fire at a constant rate ... reinoud

2013-12-09

17:57 LAOS Laser Software development: RE: LAOS firmware rastering/bitmap etching implementation problems and more

Hi Jaap and Peter,
As for the bitmap size, its simple to test: just try to laser out a bitmap that is more than 81... reinoud

2013-12-08

14:05 LAOS Laser Software development: LAOS firmware rastering/bitmap etching implementation problems and more

Hi folks,
we've been heavily testing out rasterisation for etching photo's on acryl. On first sight it works fine ... reinoud