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Messages - Koskee

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1
Solved. I had a look at the driver, it still had "wch.cn" installed. I went to go uninstall the software, and was presented with a repair/remove dialogue.

Usually those repair routines never seem to work IME, but I figured what the he**, would be worth a try if it saves me having to hunt down my licence code or whatever. I selected it, it told me it was making a previous version available. I guess it must have reverted some settings, because it just started working. It didn't even ask me for my licence key or anything. Perfect.

Side note: I gotta say Zax, for claiming to be on a sub-expert level (or that's the way I remember it anyway) in terms of software development, your implementation of licencing/pirate thwarting has got to be one of the more robust systems I've ever come across. The web is full to the tits with companies that for whatever reason seem to just outright fail any and all of their attempts at preventing piracy, so for you to have seemingly outdone them is quite remarkable.
Perhaps it is simply because of a somewhat limited amount of exposure in a niche market that nobody with the right skills has given it any attention yet, but from over here it seems like you've done pretty well locking everything down, and with a very elegant, seamlessly implemented system no less. Nice work and thanks for the help.

2
Sweet, I'll try that and let you know how it goes.

3
Laser Safety / Re: Trying to find the right protective eyewear...
« on: January 18, 2019, 08:06:36 PM »
+1 for Eagle Pair specks. Get a set of those. They're pretty much the best you'll get under $100 and they've outright SAVED my vision on one occasion already. I took a direct hit of a shiny surface reflection - the one and only time I've ever seen ANY blue through these lenses.. It was still quite bright and literally stunned me for a few seconds, but my eyes are just fine (I checked). I know if I was using the garbage green ones, I'd more than likely have a nice little bit of text permanently etched onto my vision.

The only slightly inconvenient thing about them is if you have any digital clocks with a blue 7-segment display, you won't be able to read them or see any other blue LEDs at all. (But that's a good thing, really) I still often make the mistake of thinking that the power has gone out on a regular basis lol.

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Here is an excerpt from the text file it presents with the error (Trimmed for relevance):

PLATFORM VERSION INFO
   Windows          : 10.0.17134.0 (Win32NT)
   Common Language Runtime    : 4.0.30319.42000
   System.Deployment.dll       : 4.7.3056.0 built by: NET472REL1
   clr.dll          : 4.7.3260.0 built by: NET472REL1LAST_C
   dfdll.dll          : 4.7.3056.0 built by: NET472REL1
   dfshim.dll          : 10.0.17134.1 (WinBuild.160101.0800)

SOURCES
   Deployment url         : file:///C:/Users/Koskee/AppData/Roaming/Microsoft/Internet%20Explorer/Quick%20Launch/User%20Pinned/TaskBar/T2Laser.appref-ms%7C

ERROR SUMMARY
   Below is a summary of the errors, details of these errors are listed later in the log.
   * Activation of C:\Users\Koskee\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\T2Laser.appref-ms| resulted in exception. Following failure messages were detected:
      + The requested operation requires elevation. (Exception from HRESULT: 0x800702E4)

... (bunch of nonsense) ...

ERROR DETAILS
   Following errors were detected during this operation.
   * [1/18/2019  9:38:31 PM] System.Runtime.InteropServices.COMException
      - The requested operation requires elevation. (Exception from HRESULT: 0x800702E4)
      - Source: System.Deployment
      - Stack trace:
         at System.Deployment.Application.NativeMethods.CorLaunchApplication(UInt32 hostType, String applicationFullName, Int32 manifestPathsCount, String[] manifestPaths, Int32 activationDataCount, String[] activationData, PROCESS_INFORMATION processInformation)
         at System.Deployment.Application.ComponentStore.ActivateApplication(DefinitionAppId appId, String activationParameter, Boolean useActivationParameter)
         at System.Deployment.Application.SubscriptionStore.ActivateApplication(DefinitionAppId appId, String activationParameter, Boolean useActivationParameter)
         at System.Deployment.Application.ApplicationActivator.Activate(DefinitionAppId appId, AssemblyManifest appManifest, String activationParameter, Boolean useActivationParameter)
         at System.Deployment.Application.ApplicationActivator.ProcessOrFollowShortcut(String shortcutFile, String& errorPageUrl, TempFile& deployFile)
         at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl, Uri& deploymentUri)
         at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivationWithRetry(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
--- End of stack trace from previous location where exception was thrown ---
         at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
         at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivationWithRetry(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
         at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)


Also, I haven't changed/updated anything since last night.

5
This message is intended for Zax, but I'm posting it for future reference in case others have the same issue. I did a quick once over of the threads in this category and found nothing similar, please excuse if it has been discussed before.

I was just using T2 last night, < 24 hrs ago, and it was fine, i had a temporary issue where the control laser dialogue refused to be visible, but that was solved with a reboot. Tonight, I tried to open T2 and I get the above error. I've tried rebooting, same result. So, as instructed, I am contacting said vendor.

Ahem. Here goes. Zax,
AHHHH!!11!!!1!1! WHAT DO I DO NOW?

I can't remember what the terms of the licence were, but I bought one and it has been working fine so far.. Is it only good for a year or something :o ?

6
Projects / Re: Laserable Paints
« on: August 19, 2017, 06:11:49 PM »
Very interested  to hear how this is going. I've found similar products but they are $120+ and only sold by one retailer based in Australia, last time i checked..

7
Projects / Re: PCB photoresist film exposure
« on: August 19, 2017, 03:22:43 PM »
The vinegar, peroxide and salt comes off the board brown, but in solution it appears blue. It also doesn't take much longer than 20 mins or so when etching a small board as long as you keep wiping away the brown sludge every minute or so. I don't need to prime the solution, and I normally will toss it every time.

Part of the draw to this reaction,  for me, was the fact that I can simply head to the grocery store and grab everything I need (and I actually had everything on hand without making a trip) Plus, the fact that they're all extremely inexpensive, it seemed perfect. Our peroxide is only 3% as well, available in the  first aid section, and is about $2.50 for around 8 or 900ml, so by no means expensive.

It occurs to me that when designing my boards I generally will keep as much copper on the board as possible through the use of ground planes and arranging components such that I'm not removing large areas of copper, so this could possibly make a difference.

I suppose it is labour intensive  in the sense that you have to "babysit" the reaction, continuously agitating, but I'd prefer that because i wouldn't have an opportunity to forget about it and thus over etch. Undercutting doesn't seem to be a problem neither.

8
Projects / Re: PCB photoresist film exposure
« on: August 14, 2017, 11:10:59 AM »
I've got something you may wish to try.
I've been etching  with 1 part H2O2 (peroxide,  3% I think?) mixed with one part ascetic acid (regular kitchen white vinegar, 5% Im guessing), and table salt (about a teaspoon or 2) and then keep wiping off the orangey-brown gunk that forms on the copper with a foam craft brush.
If the reaction slows down, add more salt is what I was told, but I had better results adding more peroxide. It's by no means an aggressive reaction, and uses the cheapest materials imaginable, but I don't think it took me more than about 20 or 30 mins start to finish. Granted I try to leave as much copper on the board as possible in the form of a ground plane, so I'm not removing as much as you are quite likely.
Im also just spraying on black paint for resist, it seems to be extremely durable, especially if you can let it dry overnight.

Resources:
http://quinndunki.com/blondihacks/?p=835 (etchant recipe & good advice overall)
https://m.youtube.com/watch?v=EWoorkFEOmY (for real speed.. This guy is fuckin nuts tho)

One thing I was wondering about, is when you were using your big blue laser, how were you dealing with reflections off of the copper? I'm concerned because the copper is likely shiny enough once I get through the paint that if the board is sitting exactly perpendicular, and the laser is firing exactly vertical, then in theory the laser would be directed back at the diode, possibly causing damage/excess heat to the diode. Especially since i'm not sure if they have any sort of feedback protection or anything to shut down the later should the temperature spike, incorporated in those super cheap modules.

9
Projects / Re: Complete Home Custom PCB Fab Projec
« on: August 02, 2017, 09:25:20 PM »
I'm working on this right now actually.
My preliminary testing seems to point to the possibility that (with the paint I have at least) a thicker coating might actually work better than a thin one. I will have to do some more testing to verify this, but I know my first attempt had several coats of paint, which i was running upwards of around 500mm/min feed rate, and it was burning with visible smoke. Second, third and fourth attempts, which i've progressively slowwwwed down (to under 50mm/min, translating to 90mins+ to burn a fairly minimal board in vector trace mode  :-\ :-[) and don't really have any smoke coming off of it at all.

I thought it was the paint since I had used a different paint the second time around, but now I'm thinking it may have something to do with the fact that copper has excellent thermal dissipation properties - combined with minimal paint thickness - may be achieving a lower overall temperature.

Like I said, I will have to test this theory a bit more, and I will be on vacation for the next week, but I will report back with what I find...

...Either that or maybe my laser is pooched already. I sure hope that isn't the case, I've barely had a chance to use it.

10
T2 Engraving / Re: laser on when connect
« on: April 13, 2017, 12:46:33 PM »
Thanks Zax. Should help make it more efficient/intuitive.

Had another off topic question for ya: I've seen a couple other members mention the use of a pause command, but as far as I can find the only mention of such a feature is in the grbl source code, linked to a specific pin (A1 - open door pin - I think it was?) . Is this what they are using to control the feature or is there a pause button in an update that I don't have yet?

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T2 Engraving / Re: laser on when connect
« on: April 13, 2017, 04:15:31 AM »
I think I know what he's saying Zax..

Say if you do a sketch and have it set to 400x300 (one of the options) and then draw whatever on any part of the screen. When you go to trace it, it always traces the 400x300 area, not just the part  that will be burned.
Not sure how you'd implement this, but maybe if there was an option to do a low power burn @ laser power 1? I suspect this is already possible by overriding the laser power, but if there were enough people that wanted it,  could be separated into a button to help get a visual of what a full sized sketch might look like? I dunno.

12
Tried a couple more values tonite:
2K2 - 2.168k actual - no effect
1k5 - 1.461k actual - this value worked for me. Laser still functions, and does not turn on when it shouldn't.
So it appears that the prescribed value of 1k was not far off the mark for me, and the actual value of the initial resistor I used was lower than 1k (i think i metered it at ~968ohm but i didn't write it down, so going by memory). This is interesting because the same mod with a 2k2 did not yield results, and (barely) lower than 1k in the initial trial ended up modifying the signal so that it was not recognized. This seemingly gives a pretty narrow window for what values will work on my system. Something like 1K < R < 2K? Not sure why it would be quite so lucky, but it works now, so I'm satisfied.


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T2 Engraving / Re: Kicad PLT non fatal errors
« on: April 09, 2017, 11:56:42 PM »
Sweet, i'll check it out. Thanks

14
Maybe a loose fitting connector, parasitic resistance &  capacitance on the pcb traces, internal pullup, or the fact that the single pin is split into 3 separate servo, laser and motor connections (including MOSFET circuit) could add up to enough that he pin wasn't able to drive to the minimum 2.7V to properly propogate the ttl/pwm signal down the line?
Just guessing though.

It appears that the value is going to need to be between 1k and 4k7 anyway,  based on preliminaries, so it's not very far off from the suggested value if anything? Not really sure.

Could also be affected by the kind of wire I used between mana + ttl, since I didn't get one with either purchase, I had to make one.

15
T2 Engraving / Re: Kicad PLT non fatal errors
« on: April 09, 2017, 10:04:42 AM »
I also use KiCad, and have been working towards being able to burn PCBs with my machine, so that nobody feels like any time is being wasted on this area..

@Stonemull - if you wouldn't mind explaining your burn in a bit of detail, I'd be interested to know how you're going aboit it.. Are you using presensitized boards or something else? And how have you been dealing with the beam divergence lighting up what it's not supposed to (I'm guessing that's what you're referring to when you talk about using the mylar tape over top?)

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