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Build Your Own SLA/SLS • Need help with Marlin setup - MIN/MAX confusion and home pos - Page 2
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Re: Need help with Marlin setup - MIN/MAX confusion and home

Posted: Mon Mar 30, 2015 1:53 pm
by Phife
Because you are in relative position, so you are telling the Z to move 0.01mm relative to its current location

You want to move down to your 0 so you would need to tell the Z to move G1 Z-111 since you are currently at Z111 after homing.

Also, put the G28 Z0 in your start code so it homes automatically at each start.

Re: Need help with Marlin setup - MIN/MAX confusion and home

Posted: Mon Mar 30, 2015 2:21 pm
by Kilh
The realtive positioning, right! I just realized that 30 seconds ago, thanks a ton! Seems like you fixed alomst all of my headaches within minutes, I owe you one :)

I had to add "M400" to the code after the move command to prevent it from projecting while it was still on the way, but for now it seems to work perfect. Thanks again!

Now I'll just have to find out how to make my servo shutter work. Jumper on the 5V is set, but the servo doesn't feel like reacting to any commands yet... but that's a different story. :D

Re: Need help with Marlin setup - MIN/MAX confusion and home

Posted: Mon Mar 30, 2015 2:59 pm
by Phife
Servo might not have enough power, Jumpering just takes power from the Arduino which has a limited amount of current it can provide. Not enough to power most servos. I had to provide an external 5v to the 5V pin, this only provides 5v to the servo pins.