VBX has a deal where you can get these cool lcd verniers. I got two of them already from previous orders. They work really well. ..................... Hi Darcy...
9767
Darcy Whyte
darcywhyte
Oct 1, 2010 5:40 pm
Does a power supply with the following description easy to connect to CNC software and controller? It says PWM TTL so I think that's what I need to run from...
9768
Richard Cook
richardofdra...
Oct 1, 2010 6:09 pm
... TTL is 0V to 5V and the PWM will be controlled by software, so yes, you should be able to control the power supply directly from the PCs parallel port. I...
9769
Darcy Whyte
darcywhyte
Oct 1, 2010 6:18 pm
I have made a decision to go with a CO2 laser for my box maker and balsa cutter. Will need to rework my home built gantry ...
9770
Darcy Whyte
darcywhyte
Oct 1, 2010 6:27 pm
I think I'll cook up or find a simple breakout board. I don't care about parallel ports, it's the other hardware that's more costly....
9771
krazatchu .
krazatchu
Oct 1, 2010 6:55 pm
Since TTL implies digital this sentence seems a bit strange to me "(magnitude being TTL voltage level)" ... I suppose the worst case scenario requires a RC low...
9772
krazatchu .
krazatchu
Oct 1, 2010 6:58 pm
With flying optics your going to want to stiffen those rails... I would think 3/4 inch MDF on it's side for a box frame would be allright... Don't forget about...
9773
Darcy Whyte
darcywhyte
Oct 1, 2010 7:42 pm
I think in chinglish it means that you can change the magnitude of the laser beam with ttl. I bought the supply so I'll have to deal with it....
9774
Darcy Whyte
darcywhyte
Oct 1, 2010 7:50 pm
Once the tube is delivered, I guess that will be one of the first tasks is to get the laser running with the power supply and try to control it with the...
9775
Graham
ve3ghm
Oct 1, 2010 9:42 pm
Very nice Darcy, you are making good headway into your project. I don't know if you emails are not getting to me or mine are not getting to you but I haven't...
9776
Darcy Whyte
darcywhyte
Oct 1, 2010 10:00 pm
Yeah, I will try and use MDF and aluminum angle to get things more rigid....
9777
Stephane
stephane641
Oct 1, 2010 10:23 pm
Hey guys, Just saw that this week and thought it might interest some of you: ...
9778
michael taylor
plcurechax
Oct 2, 2010 2:24 am
... Actually another radio location method that was used for maritime navigation under GPS replaced it was LORAN, ...
9779
krazatchu .
krazatchu
Oct 2, 2010 3:45 am
I would suggest, before adding any material to the system, to test the gantry axis.... The axis along the gantry is going to be harder to stiffen as it spans...
9780
Aaron Ramsey
aaron_ramsey
Oct 2, 2010 10:25 am
Hi all. There are some changes to the meeting date this month! We are going to have two meetings. In the past we've always moved the meeting ahead a week when...
9781
Darcy Whyte
darcywhyte
Oct 2, 2010 2:02 pm
Um, I am volunteering at a community center to make some Squirrels and after that I'm doing a workshop with some Cub Scouts. I suppose I can come for a brew...
9782
Darcy Whyte
darcywhyte
Oct 2, 2010 3:08 pm
I saw glasses around ebay. I don't trust them, I was going to do more research. What I've learned so far is that CO2 is fairly easy to protect from. It doesn't...
9783
Aaron Ramsey
aaron_ramsey
Oct 2, 2010 5:40 pm
Well, if you can't make it to one of them, come on over for the other! <grin> Aaron On 10-10-02 10:01 AM, Darcy Whyte wrote: Um, I am volunteering at a...
9784
Richard Sloan
themindfactory
Oct 2, 2010 6:50 pm
double header, thats twice the hogartens.... or however that is spelled. On Sat, Oct 2, 2010 at 6:25 AM, Aaron Ramsey <...
9785
Darcy Whyte
darcywhyte
Oct 2, 2010 7:02 pm
I made my first piece of art that has a technical component. (I paint and drawbut not recently). Its called Electric Rooster. there is an art show tonight at...
9786
Aaron Ramsey
aaron_ramsey
Oct 2, 2010 7:23 pm
Yum! http://www.hoegaarden.com/ Even if I didn't build robots, I'd still come for the after-meeting meeting. <grin> Aaron On 10-10-02 2:50 PM, Richard Sloan...
9787
Aaron Ramsey
aaron_ramsey
Oct 2, 2010 7:24 pm
On 10-10-02 11:07 AM, Darcy Whyte wrote: I saw glasses around ebay. I don't trust them, I was going to do more research. Definitely, I'd be scared of the...
9788
Darcy Whyte
darcywhyte
Oct 2, 2010 7:29 pm
Ill just put a patch on one eye Then if the glasses suck I'll still have one eye left I would spend the rest of my life browsing ebay with one eye On Oct 2,...
9789
Richard Cook
richardofdra...
Oct 2, 2010 7:42 pm
http://hackaday.com/2010/10/02/rc-ppm-hacked/ -- Richard Cook, 613-591-1456...
9790
ORE_bits@yahoogroups....
Oct 2, 2010 10:58 pm
Reminder from: ORE_bits Yahoo! Group http://groups.yahoo.com/group/ORE_bits/cal Monthly meeting Monday October 4, 2010 7:00 pm - 10:00 pm (The next reminder...
9791
khufuca
Oct 3, 2010 1:14 am
When velcro strips are pulled apart is there an electrostatic discharge? Thanks, RonC...
9792
Darcy Whyte
darcywhyte
Oct 3, 2010 5:39 pm
You guys missed a great party....
9793
Ori
ori_barbut
Oct 3, 2010 6:26 pm
I'm nearly certain that both 'sides' are the same kind of plastic, so it's not like rubbing an acetate rod with rabbit fur or that sort of thing :) Since the...
9794
Ron Clough
khufuca
Oct 3, 2010 7:50 pm
Thanks Ori. That makes perfect sense . . . lets hear it for good old high school physics :)...
9795
Darcy Whyte
darcywhyte
Oct 3, 2010 8:45 pm
I want to add material handling by putting a vacuum underneath my CNC laser gantry. What sort of mechanisms are easy to make for controlling vacuum levels so I...
