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Messages - Zax

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That's great. I'm glad it wasn't an unintended feature.

General Discussion / Re: Etching on mirrors
« on: Today at 04:52:43 PM »
It's basically silver paint. I've done a lot of mirrors and haven't noticed any significant smell, plus I'm still alive... so it must be relatively safe  ;D  (legal disclaimer: YMMV)

T2 Software Updates / Re: Updates
« on: Today at 01:00:35 PM »
Thanks. I will give it a try.

That's good news, sometimes all it takes is a reset!

T2 Engraving / Re: When does the Laser start to Engrave
« on: Today at 04:40:20 AM »
No, there should be no way to damage the laser module with firmware. The failure you describe in the other thread is unusual and most likely you just have a bad diode.

Sorry about the misleading information, the time was changed from 30 to 15 minutes but the 10,000 line limit has always been the same.

I've never seen or heard of a 450nm laser going yellow, that does sound like the diode has failed.

Your process flow is excessive, as mentioned you can export the DXF from Inkscape and load it directly to T2Laser. No need for QCAD or any other format. PNG is a raster format, so still a bunch of pixels and not paths.

If you auto-trace a low quality image it will be jagged. It is better to either use vector or trace a larger image and then resize (after tracing) as needed in T2Laser.

T2 Software Updates / Re: Updates
« on: Today at 04:23:38 AM »
The Eleks boards are no longer using Atmel chips, so now the "Nano" has nothing in common with the Arduino.

It appears that they get corrupted and need a blank hex to clear them, this is what Eleks have been suggesting on their forum. I now have a few reports that the "Nano" appears to be bricked and won't accept a hex so I was going to add the blank hex to T2Laser and have an option to reset or clear the Nano before flashing. I have no idea if it would work.

I also see more reports that Grbl is reporting errors during streaming large jobs, which indicates something is overheating and causing memory or other issues - again, always with their new non-Atmel clones.

No, there's no new feature to cause jagged edges  ;D (no one has asked for that, and I don't think it would be popular)

In Inkscape it's a vector, you mention PNG which is a raster and would be pixelated if at low resolution, if you are doing the outline wouldn't you want to save as DXF (vector)?

If not, and you really want to raster engrave then you'll need to save it at a higher resolution (254dpi) and use 0.1 to 0.12 in T2Laser.

General Discussion / Re: TTL vs TTL+ PWM?
« on: October 19, 2017, 11:50:30 AM »
Correct. If you are doing grey scale you'll want to get different power levels, for cutting you often want 100%.

Nothing bad happens if you set Grbl laser max to 255 and send 1000, it just fires at 100% power.

Assembly Help / Re: Wiring home switches
« on: October 19, 2017, 08:13:26 AM »
It should then move back to the switch a 2nd time at the slower feed rate, if it doesn't it's not pulling off far enough or you are getting a bounce on the switch (increase the debounce setting).

$24=100.000 Homing feed, mm/min (100.000)
$25=1000.000 Homing seek, mm/min (1000.000)
$26=250 Homing debounce, milliseconds (250)
$27=1.000 Homing pull-off, mm (1.000)

Make sure you've loaded my firmware, it's in the Machine menu.

T2 Software Updates / Re: Updates
« on: October 19, 2017, 05:20:56 AM »
If it doesn't get the return code to signify a successful upload you'll get the error message but that doesn't necessarily mean it failed as the returned error code could be something non-fatal.

If you want to be sure, use XLoader to upload as it displays more error information. I have had some Nano's where it was necessary to flash a different firmware to clear it out first.

Speaking of that, does anyone have the "blank.hex" that I've heard mentioned?

Assembly Help / Re: Wiring home switches
« on: October 19, 2017, 05:15:33 AM »
You are correct, I was thinking it was like the others and used a bit mask.

So when the X-homes, it drives into the limit and then out, slowly back to trigger again and then jumps back to 0 - is that working correctly?

You may need to increase the pull-off distance (e.g. $27=2) to make sure it's clearing the switch.

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