Hi! I wish to measure speed when driving real trains. On one train the built in speed indikator gets stuck at 20 mph. Trying to drive 30 mph resulted in a speed of 40 mph. Another unit shows 40 mph when the actual speed is only 30 mph. Yes, I'm driving veteran trains. I tested a number of speedome…

Speedometer using UNO and GPS

Railroader June 22, 2018, 9:10pm 13

Can some system administrator erase my last previous writing? It's of no good, brainless.
Ralroader.

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