Arduino uno CNC Shield Co 2 50 Watt Laser fires without usb pluged in

Hello Iam new in This Forum and i Seek for Help i hope you guys can help me.

I build a Custom Co2 Laser i aligned it Already with the Test Button.
I cant even Get it to Homcycling i dont know why tried every Configuration with 2 Endstops
The Endstop on the X Axis works but the Endstop on the Y axis wont i changed the Plugs and booth stops are fine.
so i made progress its firing now but still end stop problems

i hope someone can help

describe

solved it also but still sometimes doesnt get triggered maybe the endstops are too cheap and another problem which i have now is when the usb is not plugged in the laser fires with low power

Please post code and schematics, or send us a crystal ball.

For sure i am sorry i was so focused on solving by my own
My Power Supply

G1 and P is bridged
L1 and G2 is bridged
IN goes to Z+
G3 goes to z-

This is how i Configurated it

i changed the hard limit to zero because i couldnt fire the laser again while it was on
it sayed all the time HardLimit as error
x axis is connected to x-
y axis is connected to y+ on the shield
Finished my schematic i hope that works for you guys

Please have a look at

It will help us to help you if you follow this advice.

Yes you are Right i am sorry going to change it
the knowledge about diy stuff i take it mostly over youtube videos or searching over github
and try to solve it by myself so i dont have two left hands but the understanding over programming is what i lack

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