Add a check to verify 12v is not null

Duet3D / DuetWebControl

A completely new web interface for the Duet electronics

GNU General Public License v3.0

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Add a check to verify 12v is not null #395

Closed Sindarius closed 2 years ago

Sindarius commented 2 years ago

The CNC Dashboard was not displaying on any board that did not have a 12v value reporting. This fix checks if 12v is null to avoid an exception being thrown.