Not issues but a request list for Nixie...

Starting with:
For Nixie, it would be nice to be able to have 2 Ultrasonic or even more...
If the config file could embed already two, instead of only one it would be cool!
Left and right arduino, each board could have a sensor. I am not sure if two on the same board will not re-trigger one another. 
I tried and was getting weird results.