Yep, very happy bunny at the moment. All is working well. Homing switches arrived today so I'll get those fitted.
Had great success cutting that dxf in 4mm ply. 3 passes at 150mm/m. Surprised it did it so easily. Air jet really makes a difference.
Hi Zaxs, I did load 1.1e at the beginning. I didn't realise that "Configure eleksmana" over wrote the firmware, it certainly wasn't intentional. I assumed it might be for table size, laser type or motor types etc. So the answer is to reset everything to default, reinstall 1.1e and DON'T select that option:-)
I decided to buy the authentic Arduino brand from Amazon, just because I can't afford to keep messing around and really want to get this thing working.
In the meantime, I am going to try putting some heatsinks on my stepper controllers and the chip on the knock-off nano just to see where that puts me.
Thanks for all your help. Hopefully the authentic nano fixes my problems once and for all!
@azninja250 That's weird if nothing changed, you didn't use other software that screws with the Grbl parameters? If so use the reset or reload Grbl parameters option in T2Laser.
If you have a volt meter you could check the TTL signal (D11) to see if it's near 0V when laser should be off, if not, and it's less than 2V you could add a pull down resistor as long as it still goes on when it's supposed to. That would be a sign that either the board or Nano has an issue.
@znourf If you loaded my Grbl 1.1e it will set the standard steps that is correct for EleksMaker systems - have you modified your machine? It should be very close, the calibrate would fix it but shouldn't be necessary.
@znourf Sorry, I have no idea what is going on with your machine. I have dozens of Nano's for different projects and never had any go crazy like you are saying. They are very reliable and I've found them extremely difficult to kill, even with poor ESD handling they don't seem to fail.
@ztf 50°C is the rated maximum but with heat sink and fan you should not have any problem engraving (where the laser is not always at full power). I have run my 2.5W for over 12 hours on many jobs with no issues.
If you are cutting at constant full power then yes temperature is a concern, 10~15 minutes is usually my maximum and then I use the cool down option. In T2Laser it currently allows a cool down between passes and soon I will add a time based option.
@znourf Generally the laser kerf is so small it won't be a factor, so machining on center is OK. In the future maybe Grbl will support offset machining but that wouldn't be possible on a Nano due to memory.
@ztf You can have different fonts, styles and sizes but it is not possible to combine filled and outline as the entire job needs to be either filled, hatch or outline.
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