Your grbl parameters look fine.
X homing D9, Y homing D10, Spindle PWM D11, Z homing D12
$130 ,$131, and $132 set the work space size for soft limits.
Do you have shielded wires for your homing switches?
Try this:
Your grbl parameters look fine.
X homing D9, Y homing D10, Spindle PWM D11, Z homing D12
$130 ,$131, and $132 set the work space size for soft limits.
Do you have shielded wires for your homing switches?
Try this: