Is creating multiple indicators on a front panel the best way to go?

I have a control panel with over 40 buttons that I would like to create a labview test
for that will display which button is pressed.
Would this be easiest to create a front panel with individual indicators for each or
is there a simpler/ more efficient way to do this so that the front panel gives a visual
indication of the actual button pressed and its location?
Because the control panel is a serial RS232 line but was designed for use with a certain
assembly, I wish to simplify this so I do not need to include as much hardware and have
decided to use and arduino to  communicate to the control panel and hen use labview to
communicate to the arduino via the USB port on the PC.
Also, any thoughts on how to best parse the data from the arduino to enable the indicator on the front panel
is appreciated.
thanks

My first thought was just having a string indicator instead of the large number of indicators.  I would probably also have a large string indicator to show a log of the states that you recieved.
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